Drilldown: Patents

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Patents > Applicant firm: None & National tech categories : DE 77h.6 or USPC 343/708

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Inventors:
Jakob Haw (7) · Christian Lorenzen (6) · Hellmuth Hirth (4) · Lucien Chauvière (2) · Paul Frederik Degn (2) · Joseph Hofmann (2)
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Applicant person:
None (18) · Jakob Haw (5) · Hans Reissner (2) · Paul Frederik Degn (2) · Lucien Chauvière (2) · Joseph Hofmann (2) · Hellmuth Hirth (2) · Christian Lorenzen (2)
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propeller (43) · propulsion (14) · Propellers (8) · subsystem (4) · Airplane (4) · metal (4) · helicopter (4) · None (3) · parachute (3) · frame (2) · wing (2) · navigation (2) · motor (2) · marine propeller (2) · aerial propeller (2) · marine (2) · barometer (2) · wood (2)
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