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Patents > Year granted: 1906 & Number of text pages: 1-2

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Inventors:
Jacob Christian Hansen-Ellehammer (3) · Carl Dippel (3) · August von Parseval (2) · Joseph Hofmann (2)
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None (14) · Jacob Christian Hansen-Ellehammer (3) · Joseph Hofmann (2)
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Tech fields:
LTA (15) · propulsion (13) · stability (10) · Airplane (10) · propeller (6) · propellers (5) · helicopter (5) · control (5) · wings (4) · construction (4) · fun (4) · frame (4) · flapping (4) · navigation (3) · lift (3) · hybrid (3) · None (3) · automatic stability (3)
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None (17) · CPC B64B1/58 (5) · CPC B64C2700/6281 (4) · CPC B64C27/04 (3) · CPC B64C17/00 (3) · CPC B64B1/00 (3) · CPC B64C11/006 (3) · CPC B64C2700/6274 (2) · CPC B64C23/005 (2) · CPC B64C33/02 (2) · CPC B64C2700/6212 (2) · CPC B64C9/00 (2) · CPC B64B1/40 (2)
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