Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & CPCs : CPC B64B1/00 or CPC B64C35/00

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Office:
Inventors:
Eleazer Kempshall (3) · Stewart Cairncross (2) · Richard Czygan (2)
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Tech fields:
LTA (23) · propulsion (12) · propeller (10) · car (10) · fabric (9) · balloon (9) · navigation (8) · frame (8) · flapping (5) · rudder (4) · airship (3) · Design (3) · None (2) · parachute (2) · wings (2) · control (2) · cargo (2) · Balloons (2)
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