An obituary in Monday's editions of The Washington Post about Conway P. Coe, 85, a former commissioner of the U.S. Patent Office who died Oct. 23, gave an incorrect number of surviving grandchildren. Mr. Coe's survivors include 13 grandchildren.

Conway P. Coe, 85, commissioner of the U.S. Patent Office from 1933 to 1945, and then vice president of the Radio Corp. of America before retiring in 1957, died of a heart ailment Oct. 23 at his home in Chevy Chase.

In addition to serving as head of the Patent Office, Mr. Coe served during World War II as a member of the National Defense Research Committee, as executive secretary of the National Planning Committee, and manager of the National Inventors Council. At the end of the war, he received awards from both the War and Navy departments.

Mr. Coe was born in Dunkirk, Md., and moved here at an early age. He was a graduate of the old Central High School and served in the Army during World War I. He was a 1918 graduate of Randolph-Macon University and a 1923 graduate of George Washington University's law school. He belonged to the Order of the Coif there. He began his career in the Patent Office in 1921 as an assistant patent examiner.

He was an adjunct professor at George Washington University's law school. Mr. Coe was a member of the Cosmos and Chevy Chase clubs, and the Newcomen Society of North America.

Survivors include his wife of 62 years, the former Anna H. Hart, of Chevy Chase; two daughters, Anna Holland of Waterford, Va., and Mildred Huffman of Garrett Park; a sister, Ada B. Powell of Virginia Beach; three grandchildren, and one great-grandchild.