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Patents > Tech fields : design or None & IPCs: None & Number of text pages: 4-30

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None (117)
Granted:
Supplementary to patent:
None (230) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent GB-1908-4519 (4) · Patent US-1909-970771 (4) · Patent GB-1913-16499 (3) · Patent FR-1908-404631 (2) · Patent US-1913-1087946 (2) · Patent FR-1902-321808 (2) · Patent US-1908-1077750 (2)
Related to aircraft:
Patent agent:
None (96) · Munn & Co. (15) · None (8) · E. Blum & Co. (5) · Haseltine, Lake & Co. (4) · Victor J. Evans (4) · Harris & Mills (3) · Wm. B. Whitney (3) · H. Kirchhofer (3) · John P. Tarbox (3) · Abel & Imray (3) · E. R. Royston & Co. (3) · C. C. Hines (3)
National tech categories:
None (103) · HU V/h (26) · CH 129b (12) · FR 6.4 (10) · USPC 244/45R (8) · USPC 244/80 (7) · USPC 244/119 (6) · USPC 244/90R (6) · USPC 244/233 (6) · USPC 244/82 (5) · USPC 244/50 (5) · USPC 244/48 (5) · USPC 244/93 (5) · AU 90.3 (4) · USPC 244/131 (4) · USPC 244/65 (4)
IPCs: (Click arrow to add another value)
CPCs:
None (132) · CPC B64C13/00 (23) · CPC B64C17/00 (18) · CPC B64C3/385 (16) · CPC B64B1/00 (13) · CPC B64C2700/6295 (12) · CPC B64C39/08 (9) · CPC B64C39/005 (9) · CPC B64C23/005 (9) · CPC B64C13/24 (6) · CPC B64C33/02 (6) · CPC B64C25/60 (5) · CPC B64C35/00 (5) · CPC B64C39/00 (4) · CPC B64C3/14 (4) · CPC B64C33/00 (4) · CPC Y10S267/02 (3) · CPC F16F9/06 (3) · CPC B64C3/40 (3)
First filing:
Citations from after 1930:
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