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Patents > Year granted: 1920 - 1929 & Tech fields : rotary wings or None

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Office:
Inventors:
None (49) · James Vernon Martin (6) · Glenn Hammond Curtiss (4) · Alliott Verdon Roe (4) · Ralph Hazlett UPSON (3) · Claudius Dornier (3) · Harris G Hooper (3) · Jules Cesario (3) · Henry E. Krammer (3) · Henry Kleckler (3) · John William Rapp (3)
Inventor country:
Applicant person:
None (27) · James Vernon Martin (8) · Frederick Handley Page (6) · Claudius Dornier (5) · GOODYEAR TIRE RUBBER (4) · Alliott Verdon Roe (4) · Chessborough Mackenzie-Kennedy (4) · HANRIOT (3) · John William Rapp (3) · Harris G Hooper (3) · Jules Cesario (3) · Henry E. Krammer (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (18) · 25340218 (2)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (177) · None (5) · John P. Tarbox (5) · Dony and Lejeune (2) · Paul Coulomb (2) · P. Degroote (2) · Munn & Co. (2) · M. Zerolo (2) · Joshua R. H. Potts (2) · Warren S. Ostow (2)
IPCs:
None (157) · IPC B64C17/00 (7) · IPC B64C23/00 (7) · IPC B64C35/00 (6) · IPC B64C3/00 (6) · IPC B64C1/00 (4) · IPC B64C39/00 (3) · IPC B64C3/54 (3) · IPC B64B1/00 (3) · IPC B64C3/38 (3) · IPC B64C27/04 (3) · IPC B64C25/00 (3) · IPC B64C29/00 (2) · IPC B64C1/12 (2)
CPCs:
CPC B64C17/00 (18) · CPC B64C2700/6295 (14) · CPC B64C3/00 (14) · None (12) · CPC B64C13/00 (12) · CPC B64C2700/6256 (12) · CPC B64C39/00 (11) · CPC B64C23/005 (9) · CPC B64C2700/6212 (8) · CPC B64B1/00 (8) · CPC B64C3/185 (7) · CPC B62C5/04 (7) · CPC B64C35/00 (7) · CPC B64C2700/6233 (7) · CPC B64C2700/6218 (7) · CPC B64C3/18 (6) · CPC B64C2700/6235 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 231 results in range #1 to #231.

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