Noel E. Story, 62, retired senior trial attorney for the Justice Department's antitrust division who was war crimes chief for the U.S. 7th Army in Germany after World War II, died of cancer Sept. 1 at Fairfax Hospital.

Assigned to the antitrust division form 1955 until his retirement in 1978, Mr. Story was senior trial attorney for a number of important antitrust cases, including a 1965 landmark monopoly casel involving the Grinnell Corp. of Providence, R.I., and three of its affiliates, which had acquired more than 87 percent of the high-quality burglar and fire detection market in this country.

A U.S. District judge, upheld by the Supreme Court, ruled in favor of the government and Grinnell and its three affiliates were ordered to stop engaging in restraints of trade and to file price lists with the Justice Department.

Mr. Story had worked in Justice's criminal division for seven years before transferring to the antitrust division.

Born on a farm in Eufaula, Okla., he graduated from the University of Oklahoma in 1940 and earned a law degree there two years later.

Also in 1942, he was commissioned a second lieutenant in the Army. He participated in campaigns in Europe and became a captain in the 3rd Army's 76th Infantry Division. He was awarded the Silver Star.

After the war, he became a civilian employe in the Army Judge Advocate General's Office for war crimes and worked on the "Axis Sally" and "Tokyo Rose" treason cases.

A resident of Annandale for 21 years, Mr. Story played an important role in setting up parks and playgrounds in that community.

Survivors include his wife, Evelyn Dennison Story and a son, William S., both of Annandale; another son, James N. of Blacksburg, Va.; a daughter, Carolyn S. Cibik of Virginia Beach, Va., and a brother, Chester D., of Oklahoma City, Okla.