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Patents > Applicant person : Hans Gundersen or Émile Letord or None & Applicant firm: None & Related to aircraft : 1 or Yes

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Inventor country:
None (1741) · FR (426) · DE (343) · US (254) · GB (138) · IT (66) · CH (47) · AT (39) · AU (27) · CA (26) · AH (17) · Prussia (15) · Poland (15) · BE (10) · NZ (9) · NL (9) · ES (8) · Ireland (7) · HU (7)
Applicant person: (Click arrow to add another value)
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Application number:
None (2947) · navigation (5) · 1732817 (3) · propeller (2) · 510212D (2) · 1 (2) · 510210D (2) · 496388D (2) · 494571D (2)
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Related to aircraft: (Click arrow to add another value)
Assigned to:
None (3120) · 1 (13) · Goodyear Tire and Rubber Company (7) · International Aeronautical Construction Company (2) · (1/4) (2)
IPCs:
None (2816) · IPC B64B1/00 (25) · IPC B64C33/02 (18) · IPC B64B1/58 (16) · IPC B64C23/00 (12) · IPC B64C39/00 (8) · IPC B64C11/16 (8) · IPC B64B1/40 (7) · IPC B64C3/00 (7) · IPC B64C11/00 (7) · IPC B64C33/00 (6) · IPC B64C3/38 (6) · IPC B64C31/06 (5) · IPC B64B1/62 (5) · IPC B64D17/00 (5) · IPC B64D33/10 (5) · IPC B64C1/00 (5) · IPC B64D1/04 (5)
First filing:
Citations from after 1930:
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