Drilldown: Patents

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Patents > Year filed: 1900 - 1999 & Applicant person : Samuel W. Irwin or None

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DE (585) · FR (344) · US (309) · None (141) · GB (125) · AT (110) · IT (61) · CH (31) · AU (23) · AH (20) · CA (20) · SE (17) · HU (17) · Poland (12) · BE (12) · NL (11) · Prussia (11) · NZ (10) · ES (6) · Galicia (5)
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None (1741) · Curtiss Aeroplane and Motor Corporation (7) · Goodyear Tire and Rubber Company (7) · Siemens-Schuckert Werke GmbH (5) · Tarbox Safety Aircraft Company (4) · 1 (3) · Sperry Gyroscope Company (3) · Établissements de Dion-Bouton (3) · Westinghouse Electric & Manufacturing Company (2) · Varioplane Company (2) · Société Anonyme des Établissements Nieuport (2) · (1/4) (2) · Hensel Aero Stabilizer Company (2) · Haskelite Manufacturing Corporation (2) · International Aeronautical Construction Company (2)
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