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Patents > Office : DE or FI or HU & Inventor country: DE & Applicant is inventor: Yes & Tech fields : propellers or wings

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Office: (Click arrow to add another value)
Inventors:
Ernst Heinkel (6) · Jakob Haw (5) · Joseph Hofmann (4) · Anton Flettner (3) · None (2) · Hellmuth Hirth (2) · Franz Schneider (2) · Emil Lehmann (2) · Carl Hanschke (2) · Boris Loutzkoy (2) · Detlev Zickler (2) · Hermann Ruthenberg (2)
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Applicant person:
None (8) · Ernst Heinkel (6) · Jakob Haw (5) · Anton Flettner (3) · Boris Loutzkoy (2) · Hellmuth Hirth (2) · Joseph Hofmann (2) · Franz Schneider (2) · Emil Lehmann (2) · Detlev Zickler (2) · Carl Hanschke (2) · Hermann Ruthenberg (2)
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Citations from after 1930:
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