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Patents > Inventor country: DE & National tech categories : DE 77 or DK 63

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Inventors:
Ernst Georg August Baumgarten (6) · F. Gaebert (3) · Georg Fischer (2) · Richard Czygan (2) · Carl Georg Rodeck (2) · Otto Hartung (2) · Otto Schmidt (2) · Raphael Ernst May (2) · Ferdinand von Zeppelin (2) · Hermann Israel (2) · Hermann Ganswindt (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (34) · Ernst Georg August Baumgarten (6) · Richard Czygan (2) · Raphael Ernst May (2) · Georg Fischer (2) · Otto Schmidt (2) · Ferdinand von Zeppelin (2) · Otto Hartung (2) · F. Gaebert (2) · Carl Georg Rodeck (2)
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Tech fields:
LTA (52) · propulsion (26) · balloon (20) · navigation (17) · propeller (13) · frame (10) · car (10) · airship (10) · control (9) · captive (9) · marine (7) · kite (6) · None (6) · dirigible (6) · gas (5) · stability (5) · steering (5) · electricity (4) · flapping (4)
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Citations from after 1930:
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Showing below up to 97 results in range #1 to #97.

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