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Patents > Grant date: 1907 & First filing: Yes & Number of figures: 2-4

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Inventors:
Louis Gathmann (2) · Robert Esnault-Pelterie (2)
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Applicant person:
Louis Gathmann (2) · Robert Esnault-Pelterie (2)
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Tech fields:
propulsion (13) · LTA (11) · propeller (11) · airplane (9) · navigation (9) · None (9) · stability (7) · flapping (7) · hybrid (4) · airfoil (4) · frame (4) · helicopter (3) · parachute (3) · propellers (3) · gyroscope (2) · ornithopter (2) · marine (2) · balloon (2) · rudder (2)
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None (15)
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National tech categories:
None (13) · FR 6.4 (13) · DE 77h.15 (2) · FR 6.2 (2) · USPC 244/25 (2) · USPC 244/22 (2) · USPC 244/52 (2)
CPCs:
None (9) · CPC B64C33/02 (6) · CPC B64C11/48 (4) · CPC B64C23/005 (3) · CPC B64B1/00 (3) · CPC B64C11/006 (3) · CPC B63H1/12 (2) · CPC B64C27/00 (2)
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