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Patents > Inventor country: US & Filing date: 1800 - 1899 & Citations from after 1930: None & Number of figures: 3-5

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Office:
Inventors:
Stewart Cairncross (3) · William H. Holland (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (19) · William H. Holland (2)
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Applicant type:
Applicant is inventor:
Tech fields:
LTA (23) · propulsion (19) · frame (14) · propeller (14) · marine (12) · balloon (11) · military (11) · projectile (10) · navigation (9) · parachute (8) · car (7) · paddle-wheel (6) · kite (6) · rudder (5) · stability (4) · Windmill (4) · flapping (4) · None (4)
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Related to aircraft:
National tech categories:
None (9) · USPC 244/3.23 (5) · USPC 244/153R (5) · DE 77 (4) · USPC 244/30 (4) · USPC 416/194 (3) · USPC 244/28 (3) · USPC 244/99 (2) · USPC 416/108 (2) · USPC 416/113 (2) · USPC 416/132B (2) · USPC 416/136 (2) · USPC 244/25 (2) · USPC 244/16 (2) · USPC 244/155R (2)
CPCs:
CPC B64B1/00 (10) · CPC B64C11/006 (6) · CPC A63H27/08 (5) · CPC F42B10/30 (4) · None (3) · CPC B64C11/48 (3) · CPC F03D11/00 (3) · CPC B64C11/00 (3) · CPC Y02E10/722 (3) · CPC F01D5/06 (3)
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Cites these patents:
Citations from after 1930:
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