Washington, D.C.

Allan L. Goldstein, et al. Radioimmunossay of thymosin B4. No. 4,543,340. 14 Claims. Maryland

Milton F. Pravda, of Towson. Method and apparatus useful for rapidly determining the molecular weight of a flowing gaseous material. No. 4,538,447. 10 Claims.

Stephen H. Nyman, of Bethesda. Method for forming glazed tile. No. 4,538,588. 1 Claim.

George R. Hepburn, of Severna Park. Adjustable splint. No. 4,538,600. 16 Claims.

Richard M. Waterstat, of Gaithersburg. Arc furnace for the production of small investment castings of reflective or refractory metals such as titanium. No. 4,538,671. 3 Claims.

Donald R. Webster, of Laurel. Particulate sample-analyzing instrument employing vibration to compact the sample. No. 4,538,908. 12 Claims.

Dahn C. Tran, of Rockville, and Chester Fisher, of Columbia. SF6 process for dehydration of fluoride glasses. No. 4,539,032. 2 Claims.

Mitchell A. Kapland, of Annapolis, et al. Bay mud stabilization. No. 4,539,121. 1 Claim.

John A. Kostinko, of Bel Air. Preparation of sodium silicate solutions. No. 4,539,191. 6 Claims.

Kevin R. Hirschbuehler, of Bel Air, and Bruce A. Stern, of Fallston. High-impact strength fiber-resin matrix composites. No. 4,539,253. 29 Claims.

William S. Coblenz, of Fort Washington. Method for the fabrication of hexagonal bn toughen matrix composites. No. 4,539,300. 1 Claim.

Paul Stamberger, of Baltimore. Half-ester adducts and polymerpolyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like. No. 4,539,340. 11 Claims.

Glenn R. Mohn, of Linthicum. Induction heating system and method of bonding container end unit to body utilizing the same. No. 4,539,456. 8 Claims.

Alexander A. Bosna, of Arnold. Wire feed system for robot welder. No. 4,539,465. 6 Claims.

John J. Poetker, of Ellicott City, and Peter Poetker, of Columbia. Data processing card system and method of forming same. No. 4,539,472. 60 Claims.

Coleman J. Miller, of Arnold, and Robert R. Barron, of Greenbelt. Four post phase shifter. No. 4,539,535. 12 Claims.

James D. Hill, of Mount Airy. High energy degausser. No. 4,539,619. 40 Claims.

Leon A. McCoy, of Baltimore. Device for transporting loads between various elevations. No. 4,539,781. 11 Claims.

Lawrence A. Dale, of Severna Park; Stephen E. Grenleski Jr., of Silver Spring; L. Keirsey, of Silver Spring, and Charles E. Stevens, of Highland. Multi-port dump combustor. No. 4,539,811. 2 Claims.

John H. Klatt, of Laurel, et. al. Soot-blowing system with identification of model parameters. No. 4,539,840. 6 Claims.

L. W. Grove Jr., of Frederick. Meter-vault cover with externally visible register. No. 4,539,844. 6 Claims.

Abraham Flatau, of Joppa. Projectile. No. 4,539,911. 7 Claims.

Kent D. Murphy, of Bethesda. Coin carrier with plural slidable pockets. No. 4,540,008. 13 Claims.

Isaac J. Landa, of Potomac, and Ronald Shideler, of Rockville. Apparatus for optically analyzing a sample. No. 4,540,282. 20 Claims.

Houshang Lolachi, of Rockville, et al. Centrifugal apparatus. No. 4,540,397. 17 Claims.

James W. Jacobson, of Rockville; J. Leslie Glick, of Potomac, and Kenneth L. Madello, of Jefferson. Composition for cleaning drains clogged with deposits containing hair. No. 4,540,506. 37 Claims.

James P. Bonsack, of Aberdeen, and Semyon D. Fridman, of Randallston. Two-stage chlorination of titaniferous ore with fecl3 reclamation. No. 4,540,551. 13 Claims.

David F. Geary, of Severna Park; Dennis R. Honchar, of Ellicott City, and Robert P. Miller, of Annapolis. Process for the application of organic materials to galvanized metal. No. 4,540,637. 8 Claims.

Steven J. Clancy, of Elkridge; James F. Whatley, of Catonsville, and Dennis Heinke, of Columbia. Angle width discriminator/altitude-line detector radar. No. 4,540,985. 4 Claims.

Sidney A. Alpert, of Silver Spring. Football signaling system. No. 4,541,013. 12 Claims.

Bernard Reiss, of Baltimore, and Irl E. Ward, of Salisbury. Sofa bed. No. 4,541,133, 27 Claims.

William C. Vesperman, of Bel Air, and Max K. Wilson, of Cockeysville. Insulating cover for pull-down stairs. No. 4,541,208. 15 Claims.

Michael N. Sciuto, of Baltimore. Stringed-instrument saddle lock. No. 4,541,320. 16 Claims.

John G. Parker, of Olney, and William D. Standbro, of Columbia. Localization of cancerous tissue by monitoring infrared fluorescence emitted by intravenously injected porphyrin tumor-specific markers excited by long wavelength light. No. 4,541,438. 31 Claims.

Jacob Block, of Rockville. Completion and workover fluid. No. 4,541,485. 24 Claims.

Howard P. Layer, of Derwood. Measurement circuit for load cell mass comparator. No. 4,541,496. 12 Claims.

John B. McCoy, of Ellicott City. Paper tray and folder. No. 4,541,749. 4 Claims.

John E. Martin, of Timonium. Radio-controlled vehicle within a sphere. No. 4,541,814. 1 Claim.

Paul M. Breidenbaugh, of Baltimore. Environmental protection dredging system for separating solids and liquid. No. 4,541,927. 16 Claims.

Albert S. Kiersarsky, of Howard County; Earl S. Sauer, of Baltimore County; William C. Vesperman, of Howard County, and Max K. Wilson, of Baltimore. Methods of producing plastic-coated metallic members. No. 4,541,980. 11 Claims.

Gwan Kim, of Olney; Carmo J. Pereira, of Columbia; Louis Hegedus, of Rockville, and James M. Maselli, of Columbia. Process for utilizing doubly promoted catalyst with high geometric surface area. No. 4,541,995. 7 Claims.

Carmo J. Periera, of Columbia; Louis Hegedus, of Rockville, and James M. Maselli, of Columbia. Process for utilizing catalyst with high geometric surface area. No. 4,541,996. 7 Claims.

Ann F. Bresak, and Eva Tolgyesi, both of Rockville. Hair-treating composition. No. 4,542,014. 4 Claims.

Richard J. Nozemack, of Reisterstown; John A. Rudesill, of Baltimore; Dean A. Denton, of Baltimore, and Raymond D. Feldwick, of Timonium. Catalyst manufacture. No. 4,542,118. 17 Claims.

Jimmy Q. Schmidt, of Baltimore, and Rurik K. Loder, of Havre de Grace. Apparatus for measuring projectile's transverse displacement at gun muzzle. No. 4,542,342. 7 Claims.

P. R. K. Chetty, of Germantown, et al. Switch current sensing with snubber current suppression in a push-pull converter. No. 4,542,440. 10 Claims.

Roger C. Eyler, of Frederick. Method and means for the detection of chemical agent droplets. No. 4,542,641. 30 Claims.

John T. Pepper, of Bladensburg. Sling hook. No. 4,542,840. 14 Claims.

David R. Manges, of Fulton. Rotatable electric cable connecting system. No. 4,542,858. 12 Claims.

Stephen D. Rodgers, of Bowie, et al. Non-emissive, flame-retardant coating compositions. No. 4,543,418. 9 Claims.

William J. Condell Jr., of Bethesda. Free electron laser device for scanning a spatial field. No. 4,543,655. 23 Claims. Maryland Design Patent

John L. Bateman, of Cockeysville. Combined check and stub. No. D-280,734. Term of 14 years. Virginia

David A. Edmonds, of King George, and Winfred B. Rollins, of Dahlgren. Method of charging and hermetically sealing a high-pressure gas vessel. No. 4,538,395. 1 Claim.

Jag J. Singh, of Yorktown, and Danny R. Sprinkle, of Newport News. Technique for measuring gas conversion factors. No. 4,538,446. 6 Claims.

A. Paul Barker, of Arlington. Kit for and method of immobilizing the cervical spine. No. 4,538,601. 16 Claims.

Elizabeth Henderson, of McLean. Athletic garmet. No. 4,538,614. 17 Claims.

Alfred Hinzmann, of Weams. Apparatus for trimming a tobacco stream. No. 4,538,626. 12 Claims.

W. Geoffery Chan and Yoram Houminer, both of Richmond. Smoking compositions containing a B-hydroxy-2-ketoester flavorant-release additive. No. 4,538,627. 11 Claims.

Kenneth F. Podraza, of Richmond. Smoking compositions containing a dioxane diester flavorant-release additive. No. 4,538,628. 7 Claims.

Kenneth F. Tuggle, of Virginia Beach. Wheel for land vehicles and method for moving such vehicles over soft or irregular surfaces. No. 4,538,657. 14 Claims.

John R. Earley, of Lynchburg. Tire valve assembly. No. 4,538,658. 7 Claims.

Donald C. Schluderberg, of Lynchburg. Heat exchanger having tubular members concentric with fluid-carrying tubes to prevent mixing of the heat-exchange fluids, and methods of construction thereof. No. 4,538,674. 4 Claims.

William L. White, of Wicomico. Dual towline spin-recovery device. No. 4,538,778. 11 Claims.

R. L. Bibb Swain, of Williamsburg. Vapor compressor distillation system. No. 4,539,076. 23 Claims.

William R. Wingfield, of Richmond. Method of an apparatus for making a synthetic breakwater. No. 4,539,078. 15 Claims.

James W. Hare, of Martinsville. Process for steam-conditioning spin-oriented polyamid filaments. No. 4,539,170. 6 Claims.

Paul M. Espelage, of Salem, and James M. Nowak, of Roanoke. Start-up control for an induction motor drive. No. 4,539,514. 11 Claims.

Erick O. Schonstedt, of Reston. Magnetic detector apparatus with liquid-supported, conductive, sensor-support tube. No. 4,539,522. 5 Claims.

James Warner, of Woodbridge. Apparatus and method of conveying camera-control information on the black burst signal. No. 4,539,595. 19 Claims.

David F. Mears and Hubert A. Patterson, both of Lynchburg. Mobile vehicular repeater system that provides up-link acknowledgement signal to portable transceiver transmission. No. 4,539,706. 14 Claims.

John C. Berry and Kenneth Witzke, both of Locust Grove. Automatic sheet-transport mechanism. No. 4,539,752. 15 Claims.

Edward P. Klein, of Covington, et al. Belt-washing improvements. No. 4,539,827. 4 Claims.

Jewett M. Sharpe, of Richmond. Endoscopic surgical instrument. No. 4,539,976. 7 Claims.

Kenneth F. Podraza, and Yoram Houminer, both of Richmond. Smoking compositions containing a flavorant-release additive. No. 4,540,004. 7 Claims.

Emanual L. Logan Jr., of Arlington; and Walter M. Sommers and J. William Walsh, both of Baltimore, Md. Point-of-egress control device for safely securing emergency exit doors. No. 4,540,208. 5 Claims.

D. Brandon Edwards, of Virginia Beach. Bilevel telemicroscopic apparatus. No. 4,540,238. 33 Claims.

Leon Bademian, of Vienna. Apparatus and method for acousto-optic character generation. No. 4,540,245. 20 Claims.

Richard C. Dickerson and William S. Miller, both of Virginia Beach. Process for treating wash water from the manufacture of terephthalic acid. No. 4,540,493. 22 Claims.

Donald H. Petcen, of Colonial Heights, et al. Method and apparatus for molding ophthalmic lenses. No. 4,540,532. 8 Claims.

William P. Moore, of Hopewell. Method of preserving fodders with a nutritive coating. No. 4,540,586.

James B. Denton, of Annandale. Sail rigging. No. 4,541,355. 11 Claims.

Hugh T. O'Reilly, of Falls Church. Selectively extensible chute assembly. No. 4,541,517. 13 Claims.

Ray Dickerson, of Christiansburg. Winding technique for multiple-winding brushless motors. No. 4,541,575. 5 Claims.

William R. Chadwick, of Fredericksburg, and Conrad M. Rose, of Dahlgren. Guidance law to improve the accuracy of tactical missiles. No. 4,541,591. 10 Claims.

Daniel W. Sexton, of Roanoke. Sine wave generator. No. 4,542,353. 12 Claims.

James S. Shreve, of Fairfax. Optical digital-to-analog converter. No. 4,542,367. 17 Claims.

James S. Parker, of Portsmouth. Tuning system with automatic frequency control. No. 4,542,533. 3 Claims.

Russell H. Rowe Jr., of Warrenton; Paul J. Lare, of Bowie, Md., and Henry Hahn, of Fairfax. Surgical implant having a graded porous coating. No. 4,542,539. 17 Claims.

Clinton J. T. Young, of Alexandria. Variable aspect display. No. 41,542,958. 8 Claims.

John R. Bittner and Ralph S. Billing, both of Waynesboro, and Robert T. Stewart Jr., of Verona. Multicolor printing. No. 4,543,002. 5 Claims.

Honesto D. Quiogue, of Blacksburg. Adjustable luminaire support nuckle. No. 4,543,007. 13 Claims.

Geoffrey C. Bushway, of Tazewell. Pre-made reinforcement device. No. 4,543,065. 21 Claims.

Donald H. Petcen, of Columbia Heights. Wrinkle prevention in glass/plastic composite lenses. No. 4,543,146. 9 Claims.

John H. Reid, of Fredericksburg. Conservation of momentum in a barrier oxidation ditch. No. 3,543,185. 5 Claims.

Anne K. St. Clair and Terry L. St. Clair, both of Poquoson. High-temperature polyimide film laminates and process for preparation thereof. No. 4,543,295. 42 Claims.

George E. Alcorn, of Reston, et al. Gaas schottky barrier photo-responsive device and method of fabrication. No. 4,543,442. 8 Claims.

George E. Danz, of Radford, and C. Calvin Shuler, of Salem. Induction motor slip control. No. 4,543,520. 2 Claims.

Philip R. Couch, of Roanoke. Direct current coupled data transmission. No. 4,543,664. 10 Claims. Virginia Design Patents

Thomas H. Malone, of Lorton. Dustpan. No. D-280,456. Term of 14 years.

James T. Howard and Mary W. Howard, both of Vienna. Doorknob privacy sign. No. D-280,646. Term of 14 years.