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Patents > Year granted: 1920 - 1929 & First filing: Yes

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None (503) · New York state (7) · Indiana (7) · Berlin (6) · Pennsylvania (6) · Seine (6) · Los Angeles (4) · New York City (4) · New York county (4) · Ohio (4) · Oklahoma (4) · Chicago (3) · FIPSloc=36061 (3) · Michigan (3)
Applicant firm:
None (439) · Curtiss Aeroplane (19) · Westinghouse Electric & Manufacturing Company (9) · Helix Propeller G.m.b.H. (7) · Moteurs Salmson (5) · Société Anonyme des Établissements Nieuport (5) · Mercur Flugzeugbau (5) · Société des Avions Louis Bréguet (4) · Luftschiffbau Zeppelin G. m. b. H. (4) · Daimler-Motoren-Gesellschaft (3) · L W F Engineering Company (3) · Otwi-Werke m.b.H. (3) · Zeppelin-Werke G.m.b.H. (3) · Tarbox Safety Aircraft Company (3)
Applicant is inventor:
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Patent agent:
None (323) · John P. Tarbox (20) · None (13) · Armengaud jeune (12) · M. Zerolo (8) · J. Germain (6) · Munn & Co. (6) · Dony and Lejeune (6) · Victor J. Evans (4) · Kerr, Page, Cooper & Haywood (4) · 0 (4) · N. S. Amstutz (4) · Dupont et Elluin (4) · Joseph F. O'Brien (4)
Assigned to:
None (527) · Westinghouse Electric & Manufacturing Company (7) · Curtiss Aeroplane and Motor Corporation (6) · Moteurs Salmson (5) · Curtiss Aeroplane (4) · Société Anonyme des Établissements Nieuport (3) · Goodyear Tire and Rubber Company (3) · L W F Engineering Company (2) · John A. Roebling's Sons (2) · Grand Rapids Trust Company (2) · Haskelite Manufacturing Corporation (2)
National tech categories:
None (348) · FR 6.4 (83) · DE 77h.5 (33) · DE 77h.6 (20) · DE 77h.9 (11) · DE 77h.7 (9) · DE 77h.15 (5) · HU V/h (3) · FR 5.8 (3) · USPC 244/119 (3) · DE 77h.2 (3)
IPCs:
None (208) · IPC B64C3/00 (40) · IPC B64C1/00 (19) · IPC B64C35/00 (18) · IPC B64C17/00 (18) · IPC B64C23/00 (17) · IPC B64C39/00 (16) · IPC B64C13/00 (16) · IPC B64C25/00 (14) · IPC B64C11/20 (14) · IPC B64C11/04 (14) · IPC B64C3/18 (13) · IPC B64C11/00 (11) · IPC B64C11/36 (11) · IPC B64C13/12 (9) · IPC B64B1/00 (6) · IPC B64C3/54 (6) · IPC B64C27/04 (6) · IPC B64C3/38 (5) · IPC B64C1/06 (5)
First filing: (Click arrow to add another value)
Citations from after 1930:
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