Drilldown: Patents

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Patents > CPCs: CPC B64C2700/6274 & Number of figures: 5-50

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Office:
Inventors:
None (2) · Thomas Augustus Dring (2) · Maurice-Achille Lécuyer (2) · Carl Hanschke (2)
Inventor country:
Applicant person:
None (2) · Thomas Augustus Dring (2) · Carl Hanschke (2) · Maurice-Achille Lécuyer (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (15) · airplane (14) · propulsion (11) · propellers (10) · design (9) · frame (6) · helicopter (6) · construction (6) · Whole (6) · heavier-than-air (5) · hybrid (5) · lift (5) · Ascension (5) · motors (4) · propeller (4) · chassis (4)
Full specification filed date:
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Granted:
Related to aircraft:
Patent agent:
None (3) · J. Bonnet-Thirion (3) · Armengaud jeune (2) · Boramé et Julien (2) · Phillipss (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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