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Patents > IPCs : IPC B64C23/00 or IPC B64D7/00 & Number of figures: 3-4

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Office:
Inventors:
Joseph Ayral (2) · Auguste Contassot (2) · Wilhelm Kress (2) · Henri Liurette (2) · Otto Sack (2) · Alwin Hitzeroth (2) · Charles Wolf (2) · Lazare-Victor-Joseph Duverne (2)
Inventor country:
Applicant person:
None (3) · Joseph Ayral (2) · Wilhelm Kress (2) · Henri Liurette (2) · Otto Sack (2) · Alwin Hitzeroth (2) · Lazare-Victor-Joseph Duverne (2) · Charles Wolf (2) · Auguste Contassot (2)
Applicant type:
Applicant is inventor:
Tech fields:
Airplane (26) · None (24) · hybrid (13) · Propulsion (12) · Helicopter (10) · Ascension (9) · Design (8) · Lift (7) · wings (6) · Propellers (6) · Navigation (6) · Construction (5) · Frame (5) · LTA (4) · sustentation (4) · landing (4) · Control (4) · aerodynamics (4)
Full specification filed date:
Application number:
None (5)
Granted:
Related to aircraft:
Patent agent:
None (12) · None (8) · G. de Mestral et F. Harlé (4) · Paul Caquet (2) · Frey, de Carsalade, Rogers et Cie (2) · J. Germain (2) · Chassevent (2) · J. Fayollet (2) · C. Blétry‎ (2) · Boult, Wade & Tennant (2)
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Cites these patents:
Citations from after 1930:
Number of text pages:
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