Drilldown: Patents

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Patents > National tech categories : DE 77 or USPC 416/240 & First filing: No

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Inventors:
Rudolf Chillingworth (2) · F. Gaebert (2) · Henry Boinet (2) · Carl Alfred Johansson (2)
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Applicant is inventor:
Tech fields:
LTA (31) · balloon (14) · propulsion (12) · car (11) · navigation (11) · frame (10) · None (7) · propeller (6) · stability (5) · dirigible (4) · flapping (3)
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Citations from after 1930:
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Showing below up to 52 results in range #1 to #52.

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