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Patents > National tech categories : DE 77 or GB 4 without buoyant & First filing: Yes

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Office:
Inventors:
Ernst Georg August Baumgarten (5) · Richard Czygan (2) · Raphael Ernst May (2) · Frederick William Brearey (2) · Federico Capone (2) · F. Gaebert (2) · Otto Schmidt (2)
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Applicant person:
Ernst Georg August Baumgarten (5) · None (2) · F. Gaebert (2) · Otto Schmidt (2) · Raphael Ernst May (2) · Richard Czygan (2) · Federico Capone (2) · Frederick William Brearey (2)
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Tech fields:
LTA (32) · None (23) · propulsion (13) · airship (11) · balloon (8) · control (8) · propeller (8) · navigation (8) · kite (6) · ornithopter (5) · frame (5) · captive (4) · marine (4) · steering (4) · design (4) · dirigible (4) · hybrid (3)
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Showing below up to 86 results in range #1 to #86.

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