Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & CPCs: CPC B64C33/02 & Family year: 1900 - 1999

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None (18) · Felix Michau (4) · Lin-Marius Mannent (4) · William Henry Kelly (3) · Hermann Hassenbach (3) · Roscoe Clair Gore (3) · James Dennis Roots (3) · Thomas Augustus Dring (3) · Louis-Isidore Henry (3) · LOUIS JOLIVET (3) · Friedrich Kopsch (3)
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None (119) · flapping (75) · ornithopter (46) · propulsion (45) · wings (40) · frame (39) · airplane (32) · navigation (29) · propeller (20) · design (17) · hybrid (16) · stability (15) · rudder (15) · LTA (12) · airfoil (11) · propellers (10) · takeoff (9) · wheels (9) · control (8)
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None (241) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (3) · Patent FR-1909-420004 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent IT-1907-87304 (2)
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None (171) · None (10) · Armengaud jeune (4) · A. de Carsalade (3) · Marks & Clerk (3) · C. A. Snow & Co. (3) · Rigot et Prévost (3) · Schwab (3) · C. Blétry (3)
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