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Patents > National tech categories: DE 77 & CPCs : CPC B64C2700/6235 or CPC B64C2700/6295 or None

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Office:
Inventors:
Carl Alfred Johansson (3) · None (2) · Otto Schmidt (2) · Carl Friedrich Billwiller (2) · Ferdinand von Zeppelin (2) · Henry Boinet (2)
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Applicant person:
None (36) · Carl Alfred Johansson (3) · Ferdinand von Zeppelin (2) · Carl Friedrich Billwiller (2) · Otto Schmidt (2)
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Tech fields:
LTA (42) · propulsion (17) · balloon (15) · navigation (14) · car (12) · propeller (11) · frame (10) · stability (10) · captive (6) · airship (6) · dirigible (6) · Control (6) · None (5) · gas (4) · electricity (4) · marine (4) · rudder (3) · ascension (3) · automatic stability (3)
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CPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 79 results in range #1 to #79.

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