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Patents > Year filed: 1890 - 1899 & Grant date: 1800 - 1899 & Number of figures: 2-4

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Office:
Inventors:
Edward Joel Pennington (3) · August Riedinger (3) · None (2) · Stewart Cairncross (2) · Eleazer Kempshall (2) · Henry Boinet (2) · B.F.S. Baden-Powell (2)
Inventor country:
Applicant person:
None (35) · August Riedinger (2) · Eleazer Kempshall (2)
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Applicant is inventor:
Tech fields:
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Granted:
Related to aircraft:
Patent agent:
None (64) · Munn & Co. (6) · C. A. Snow & Co. (3) · John Wedderburn (3) · A. Ritter (2)
National tech categories:
DE 77 (32) · None (31) · GB 4 propel & steer (6) · HU V/h (5) · USPC 244/3.23 (3) · GB 4 without buoyant (3) · USPC 416/113 (2) · USPC 244/31 (2) · USPC 244/155R (2) · USPC 24/713.8 (2) · GB 4 with buoyant (2) · USPC 244/153R (2)
CPCs:
None (45) · CPC B64B1/00 (10) · CPC Y02E10/74 (4) · CPC B64B1/40 (4) · CPC B64C11/006 (4) · CPC A63H27/08 (4) · CPC B64C33/02 (3) · CPC B64C11/48 (3) · CPC Y10T24/3747 (3) · CPC F03D3/00 (3) · CPC F05B2260/74 (3)
First filing:
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Citations from after 1930:
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