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Patents > Year granted: 1920 - 1929 & Number of text pages: 4-50000000

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Office:
Inventors:
None (9) · Alfred John Macy (7) · Robert Kemp (3) · Robert Ingersoll Eustis (3) · George Francis Myers (3) · Pierre Le Goaziou (3) · Charles Arthur Wragg (3) · Henry E. Krammer (3) · Seth Hart (3) · William L. Gilmore‎ (3)
Inventor country:
Inventor location:
None (124) · Seine (4) · Los Angeles (4) · Pennsylvania (3) · New York state (3) · New York City (2) · Ohio (2) · Indiana (2) · New York county (2)
Applicant person:
None (21) · Alfred John Macy (7) · Pierre Le Goaziou (3) · George Francis Myers (3) · Robert Ingersoll Eustis (3) · Seth Hart (3) · Henry E. Krammer (3) · Bertrand F. Kenyon (2) · Frank Frederick Simons (2) · Rene Cecil Motte (2) · Erastus E. Winkley (2) · Robert Kemp (2) · Nelson W. Dalton (2) · Melville W. Mix (2) · Charles B. Kirkham (2) · Charles Arthur Wragg (2) · Henry Kleckler (2) · Bert Hinkler (2)
Applicant is inventor:
Full specification filed date:
Application number:
None (46)
Granted:
Publication date:
Supplementary to patent:
None (120) · Patent US-1918-1589780 (3) · Patent CA-1918-192493 (2)
Related to aircraft:
Patent agent:
None (45) · John P. Tarbox (11) · None (8) · Herbert H. Thompson‎‎ (3) · Armengaud jeune (3) · 0 (3) · Fritz Isler (3) · Charles Assi (2) · Warren S. Ostow (2) · N. S. Amstutz (2) · Moulton & Laurance (2) · F. W. Barker (2) · Charles W. Hills (2) · William Wallace White (2) · Brandon freres (2)
National tech categories:
None (88) · FR 6.4 (28) · HU V/h (6) · CH 129b (4) · DE 77h.5 (3) · FR 12.2 (3) · USPC 244/177 (2) · USPC 244/79 (2)
IPCs:
None (42) · IPC B64C17/00 (10) · IPC B64C3/00 (9) · IPC B64C23/00 (7) · IPC B64C1/00 (6) · IPC B64C35/00 (6) · IPC B64C39/00 (5) · IPC B64C11/00 (5) · IPC B64C3/38 (5) · IPC B64C25/00 (4) · IPC B64C11/36 (3) · IPC B64C29/00 (3) · IPC B64C13/12 (3) · IPC G01S1/72 (3)
CPCs:
None (22) · CPC B64C17/00 (15) · CPC B64C3/00 (9) · CPC B64C23/005 (8) · CPC B64C35/00 (6) · CPC B64C2700/6212 (6) · CPC B64C2700/6233 (6) · CPC B64C2700/6274 (5)
First filing:
Citations from after 1930:
Number of text pages:

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