Drilldown: Patents

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Patents > IPCs: None & Family year: 1900 - 1909 & Number of figures: 12-14

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Office:
Inventors:
Maurice Léger (4) · Edmund Sparmann (3) · Gustave Plaisant (3) · Julius Schülke (2) · Louis Brennan (2)
Inventor country:
Applicant person:
None (6) · Maurice Léger (4) · Gustave Plaisant (3) · Edmund Sparmann (3) · Louis Brennan (2) · Augustus F. W. Macmanus (2) · Julius Schülke (2)
Applicant type:
Applicant is inventor:
Tech fields:
stability (16) · airplane (16) · propulsion (10) · None (9) · frame (9) · propeller (9) · LTA (8) · Helicopter (6) · wings (6) · whole (6) · gyroscope (6) · navigation (5) · automatic stability (4) · rudder (4) · hybrid (4) · flapping (4) · wheels (4) · design (4)
Full specification filed date:
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Publication date:
Related to aircraft:
National tech categories:
None (13) · AT 77d (5) · HU V/h (3) · DE 77h (3) · USPC 244/87 (2) · USPC 244/80 (2) · USPC 244/79 (2) · RU Group V (2) · USPC 244/22 (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:
Number of figures:

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