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Patents > National tech categories : AT 77d or USPC 244/17.19 & First filing: Yes

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Office:
Inventors:
None (21) · Oszkár Asbóth (3) · August Warchalowski (2) · Eduard Zaparka (2) · Paul Frederik Degn (2) · Adolf Warchalowski (2)
Inventor country:
Applicant person:
None (31) · Oskar von Asbóth (2) · August Warchalowski (2) · Paul Frederik Degn (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (38) · frame (21) · Design (18) · propulsion (14) · Wings (14) · Construction (13) · helicopter (10) · LTA (9) · Aerodynamics (9) · Propellers (8) · propeller (7) · Flapping (6) · biplane (6) · stability (6)
Full specification filed date:
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Related to aircraft:
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Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 78 results in range #1 to #78.

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