David Lowell Ladd; Former Copyright, Patent Official
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David Lowell Ladd, 68, a former registerof copyrights in the Library of Congress and a former commissioner of patents in the Patent and Trademark Office. He was commissioner of patents from 1961 to 1963 in the Kennedy Administration and register of copyrights from 1980 to 1985. He also taught patent law at Ohio University and the University of Miami in Florida and retired in 1987 from the Washington law firm of Wiley, Rein & Fielding. In Alexandria, Va., on Oct. 12 of heart illness.
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