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Patents > IPCs : IPC B64C13/12 or IPC B64C39/00 & Number of figures: 3

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Office:
Inventors:
None (2) · William Boyd Alexander (2) · Louis John Bergdoll (2) · Augusto Mattani (2) · John Seiler (2) · Charles Rudolph Wittemann (2)
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Applicant person:
None (2) · Augusto Mattani (2) · Louis John Bergdoll (2) · Charles Rudolph Wittemann (2) · John Seiler (2) · William Boyd Alexander (2)
Applicant is inventor:
Tech fields:
airplane (27) · None (17) · design (16) · stability (11) · construction (11) · propulsion (11) · frame (9) · monoplane (7) · propellers (7) · wings (5) · heavier-than-air (5) · subsystem (5) · airfoil (4) · whole (4) · helicopter (4) · sustentation (4) · hybrid (4)
Full specification filed date:
Application number:
None (8)
Granted:
Related to aircraft:
Patent agent:
None (12) · None (5) · Boult, Wade & Tennant (5) · J. Germain (3) · J. Bonnet-Thirion (3) · Dupont et Elluin (2) · Weismann et Marx (2) · Herbert Haddan & Co. (2) · H. Blouin (2) · E. Blétry (2) · Haseltine, Lake & Co. (2) · A. Chenault (2)
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Cites these patents:
Citations from after 1930:
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