Drilldown: Patents

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Patents > Office : DE or HU or IN or NO or None & CPCs : CPC B64C2700/6256 or CPC B64C33/02 or CPC B64C9/00

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Inventors:
None (4) · Hermann Israel (2) · Friedrich Kopsch (2)
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Tech fields:
None (19) · flapping (16) · wing (7) · propulsion (7) · ornithopter (7) · wings (5) · subsystem (5) · frame (5) · airship (4) · control (4) · LTA (4) · whole (3) · propeller (2) · piloting (2) · navigation (2) · motor (2) · hybrid (2) · airplane (2)
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Citations from after 1930:
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Showing below up to 55 results in range #1 to #55.

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