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Patents > Inventor country : DE or RO or US & Family year: 1904

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Inventors:
Gustav Knäpper (4) · Orville Wright (3) · Wilbur Wright (3) · Alexander Graham Bell (2) · Arey Van Winegarden (2) · George Hale Brabrook (2) · Count Wladimir Skorzewski (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (8) · Gustav Knäpper (4) · Alexander Graham Bell (2) · Arey Van Winegarden (2) · Count Wladimir Skorzewski (2)
Applicant is inventor:
Tech fields:
propulsion (20) · None (17) · navigation (9) · LTA (9) · frame (7) · airplane (6) · stability (5) · ascension (4) · rudder (4) · airfoil (3) · flapping (3) · safety (3) · Propellers (3) · parachute (3) · hybrid (3) · marine (3) · car (3)
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None (25)
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National tech categories:
None (28) · FR 6.4 (5) · USPC 244/153R (3) · USPC 244/72 (2) · USPC 244/64 (2) · USPC 244/63 (2) · USPC 244/127 (2) · USPC 244/22 (2)
CPCs:
None (16) · CPC B64B1/40 (4) · CPC B64B1/00 (4) · CPC B64C11/36 (3) · CPC B64C33/02 (3) · CPC B64C11/343 (2) · CPC B64C11/065 (2) · CPC B64C11/006 (2) · CPC B64C39/00 (2) · CPC Y10T24/3747 (2)
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