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 Browse Inventors by induction date: 1991 Willard H. Bennett Radio Frequency Mass Spectrometer Gertrude Belle Elion Anti-Leukemia drugs Gordon Gould Laser Leonard Michael Greene Aircraft Stall Warning Device William Edward Hanford Polyurethane Donald Fletcher Holmes Polyurethane Elmer Ambrose Sperry Gyroscopic Compass Robert R. Williams Vitamins  |
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