Dr. Harry S. Bernton, 95, a Washington allergist, medical researcher and government consultant who had taught at three local medical schools before retiring in 1974, died of uremia Friday at Suburban Hospital in Bethesda.

He was an authority in the field of the hygiene of hay fever and asthma and protein sensitization, and was a consultant to the Agriculture Department's Allergenic Research Division.

Dr. Bernton taught clinical medicine and allergy for more than 50 years at Howard University medical school. He also taught forensic medicine at the George Washington University medical school, and public health and preventive medicine at Georgetown University medical school.

The Allergy Society of Greater Washington created an annual lectureship in his honor in 1972.

In addition to his private practice, Dr. Bernton conducted research into allergy. He helped develop a hay fever serum in the early 1960's. In 1964, he announced test findings that suggested that the cockroach allergen be added to routine testing of victims of allergic reactions to unknown substances.

He was president of the American Academy of Allergy in 1928, and was a member of the American College of Physicians, the D.C. Medical Society, the Association of Pathologists and Bacteriologists, and the International Academy of Pathology.

Dr. Bernton grew up in Ireland. He came to this country before the turn of the century. He graduated from Boston Latin School in 1900 and Harvard College four years later. He was a 1908 graduate of Harvard University medical school.

He was an instructor in pathology at Harvard and pathologist for the Rhode Island State Board of Health, from 1914 to 1918, before coming to Washington during World War I Navy service. He ban his 54-year Washington practice as an allergist in 1920.

Survivors include his wife, Rhea L., of the home in Washington; two sons, Dr. Horace W., and William P., of Yarmouthport, Mass., and four grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to Providence Hospital or the Childrens Hospital National Medical Center here.

A year later, he joined the National Bureau of Standards. As an expert on technical information systems, he was at the National Bureau of Standards, reference data. He reamined there the rest of his life.

From 1968 to 1970, Dr. Rossmassler was on loan to the Office of Science and Technology in the executive office of the president. In the same period, he was executive secretary of the committee on scientific and technical information on the Federal Council for Science and Technology.

In 1975 and 1976, Dr. Rossmasler was again on loan, this time to the congressional office of technology assessment.

Dr. Rossmassler was a member of the Society of Sigma Xi, an honorary scientific fraternity, and the American Chemical Society.

He was an enthusiast of electronic sound and was a frequent contributor to the "Audio Amateur" magazine.

Survivors include his wife, the former Mildred Lang, of the home in Bethesda, and two sons Richard, of Grovers Mill, N.J., and Maxwell, of Corte Madera, Calif.