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Patents > IPCs : IPC B64C3/38 or IPC B64C39/00 & Number of diagram pages: 2-3

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Office:
Inventors:
None (5) · Charles Rudolph Wittemann (4) · Ruter William Springer (3) · Isaac Henry Storey (3) · Isaac Bell (3) · Alfred-Eugène Pichou (3)
Inventor country:
Applicant person:
None (9) · Charles Rudolph Wittemann (4) · Ruter William Springer (3) · Isaac Bell (3) · Alfred-Eugène Pichou (3) · Isaac Henry Storey (3)
Applicant is inventor:
Tech fields:
airplane (73) · None (50) · Design (36) · frame (32) · propulsion (29) · Stability (28) · Construction (27) · wings (26) · navigation (21) · control (15) · Whole (14) · HTA (13) · propellers (13) · aerodynamics (13) · Lift (11) · sustentation (11) · heavier-than-air (9) · LTA (9) · airfoil (9) · biplane (8)
Full specification filed date:
Application number:
None (15)
Granted:
Supplementary to patent:
None (146) · Patent US-1916-1208684 (3) · Patent US-1909-1137533 (2) · Patent BE-1912-04-05 (2) · Patent GB-1908-4519 (2) · Patent FR-1908-396470 (2)
Related to aircraft:
Patent agent:
None (38) · Marks & Clerk (9) · None (7) · Brandon frères (5) · J. S. Withers & Spooner (5) · J. Bonnet-Thirion (5) · Boult, Wade & Tennant (4) · Munn & Co. (4) · R. J. Urquhart (3) · Schwab (3) · H. D. Fitzpatrick & Co. (3) · F. W. Golby (3) · Chassevent (3) · Boramé et Julien (3) · Weismann et Marx (3) · Charles Assi (3) · Ch. Mardelet (3) · C. A. Snow & Co. (3)
National tech categories:
None (84) · FR 6.4 (84) · USPC 244/45R (7) · USPC 244/70 (6) · FR 6.3 (4) · USPC 244/48 (4) · USPC 244/13 (4) · USPC 244/27 (3) · USPC 244/20 (2) · USPC 244/234 (2) · USPC 244/87 (2) · DE 77h.5 (2) · USPC 416/113 (2) · USPC 244/90R (2) · USPC 244/9 (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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