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Patents > Supplementary to patent: None & National tech categories : DE 77h.6 or DK 77

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Office:
Inventors:
None (14) · Jakob Haw (6) · Alfred John Macy (4) · Christian Lorenzen (4) · Hellmuth Hirth (4) · Walter George Tarrant‎ (2)
Inventor country:
Applicant person:
None (30) · Jakob Haw (4) · Alfred John Macy (4) · Christian Lorenzen (2) · Hellmuth Hirth (2) · Hans Reissner (2) · Walter George Tarrant‎ (2)
Applicant is inventor:
Tech fields:
propeller (40) · propulsion (12) · None (10) · subsystem (10) · airplane (9) · stability (8) · propellers (7) · Design (6) · Frame (5) · metal (4) · Aerodynamics (4) · navigation (3) · wings (3) · marine (3) · helicopter (3)
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National tech categories: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
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Showing below up to 82 results in range #1 to #82.

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