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Patents > Inventor country : NL or US & Tech fields : Airship or airplane

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Supplementary to patent:
None (412) · Patent US-1909-970771 (12) · Patent US-1913-04-21 George Raymond Lawrence (10) · Patent US-1903-821393 (7) · Patent US-1908-1077750 (6) · Patent US-1910-1041876 (6) · Patent US-1908-1081147 (5) · Patent FR-1906-363017 (5) · Patent US-1908-927605 (4) · Patent US-1915-1137533 (3) · Patent GB-1912-2540 (3) · Patent US-1908-881837 (3) · Patent US-1913-1087946 (3) · navigation (3) · Patent US-1918-1589780 (3)
Patent agent:
None (258) · Munn & Co. (19) · Victor J. Evans (14) · John P. Tarbox (8) · C. A. Snow & Co. (7) · G. H. Strong (7) · None (6) · Herbert H. Thompson (6) · Lavoix et Mosès (4) · Marks & Clerk (4) · R. S. & A. B. Lacey (4) · 1 (4) · E. W. Marshall (3) · A. M. & William Clark (3) · Michael J. Stark & Sons (3) · Brewer & Son (3) · Brandon frères (3) · Noyes & Harriman (3) · E. Blétry (3)
Assigned to:
None (488) · 1 (28) · Sperry Gyroscope Company (4) · Curtiss Aeroplane (3) · Curtiss Aeroplane and Motor Corporation (2) · (1/4) (2)
National tech categories:
None (116) · FR 6.4 (41) · USPC 244/90R (19) · HU V/h (14) · USPC 244/13 (14) · USPC 244/48 (13) · USPC 244/233 (13) · USPC 244/22 (11) · AT 77d (11) · USPC 244/80 (10) · USPC 244/6 (10) · USPC 244/12.1 (9) · USPC 244/87 (9) · USPC 244/93 (9) · USPC 244/46 (9) · USPC 244/35R (9) · USPC 244/100R (8) · USPC 244/45R (8) · USPC 244/25 (8) · USPC 244/11 (8)
IPCs:
None (399) · IPC B64C39/00 (22) · IPC B64B1/00 (16) · IPC B64C3/00 (13) · IPC B64C33/00 (12) · IPC B64C3/38 (9) · IPC B64C17/00 (9) · IPC B64C13/00 (8) · IPC B64C1/00 (8) · IPC B64C23/00 (7) · IPC B64C23/005 (7) · IPC B64D17/00 (5) · 1 (4)
CPCs:
None (143) · CPC B64C2700/6295 (47) · CPC B64C13/00 (37) · CPC B64C23/005 (37) · CPC B64C17/00 (34) · CPC B64B1/00 (30) · CPC B64C39/08 (19) · CPC B64C3/385 (18) · 1 (16) · CPC B64C39/005 (16) · CPC B64C39/00 (14) · CPC B64C33/02 (13) · CPC B64C33/00 (10) · CPC B64C3/14 (9) · CPC B64C3/00 (8) · CPC B64C29/0033 (6)
First filing:
Citations from after 1930:

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