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Patents > National tech categories : DE 77 or USPC 244/30 & First filing: Yes

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Office:
Inventors:
Ernst Georg August Baumgarten (3) · Raphael Ernst May (2) · Richard Czygan (2) · Carl Friedrich Billwiller (2) · Eugene F. Falconnet (2) · F. Gaebert (2) · Federico Capone (2) · Otto Schmidt (2) · Albert Livingstone Blackman (2)
Inventor country:
Applicant person:
None (3) · Ernst Georg August Baumgarten (3) · Federico Capone (2) · Raphael Ernst May (2) · Albert Livingstone Blackman (2) · Otto Schmidt (2) · Carl Friedrich Billwiller (2) · Eugene F. Falconnet (2) · Richard Czygan (2) · F. Gaebert (2)
Applicant firm:
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Applicant is inventor:
Tech fields:
LTA (76) · propulsion (32) · navigation (25) · balloon (19) · propeller (18) · frame (15) · None (14) · airship (14) · car (12) · control (10) · dirigible (8) · marine (8) · steering (7) · ornithopter (7) · rudder (7) · safety (7) · hybrid (6) · kite (6) · compartments (5) · design (4)
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Application number:
None (86)
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Citations from after 1930:
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