Drilldown: Patents

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Patents > Office : DE or HU or IN & Grant date: 1800 - 1899 & Related to aircraft: 1

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Office: (Click arrow to add another value)
Inventors:
F. Gaebert (3) · Richard Czygan (3) · Edward Joel Pennington (2) · Edward Zarski (2) · Raphael Ernst May (2)
Inventor country:
Applicant person:
None (16) · Richard Czygan (3) · F. Gaebert (3) · Edward Zarski (2) · Raphael Ernst May (2)
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Applicant is inventor:
Tech fields:
LTA (34) · propulsion (19) · propeller (9) · balloon (9) · navigation (8) · design (8) · frame (7) · car (7) · dirigible (6) · control (5) · Airship (5) · electricity (5) · Dirigibles (4) · None (4) · helicopter (4)
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Citations from after 1930:
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Showing below up to 59 results in range #1 to #59.

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