Drilldown: Patents

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Patents > National tech categories : DE 77 or USPC 244/64 & Number of figures: 5-13

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Office:
Inventors:
Ernst Georg August Baumgarten (4) · Richard Czygan (2) · Watson F. Quinby (2) · Wald Gustafson (2) · F. Gaebert (2) · Federico Capone (2) · Rudolf Chillingworth (2)
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Applicant person:
None (19) · Ernst Georg August Baumgarten (4) · Federico Capone (2) · Watson F. Quinby (2) · Wald Gustafson (2) · Richard Czygan (2) · F. Gaebert (2)
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Tech fields:
LTA (41) · propulsion (23) · navigation (15) · frame (15) · flapping (11) · human-powered (11) · propeller (11) · balloon (10) · car (9) · None (8) · stability (7) · airship (7) · ornithopter (7) · hybrid (6) · control (6) · dirigible (5) · steering (4)
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Citations from after 1930:
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Showing below up to 78 results in range #1 to #78.

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