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Patents > Tech fields : Airplane or lift & Supplementary to patent : Patent US-1913-04-21 George Raymond Lawrence or None & Number of text pages: 4-30

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Patent agent:
None (98) · None (16) · Armengaud jeune (16) · Munn & Co. (13) · Haseltine, Lake & Co. (12) · Marks & Clerk (11) · J. Bonnet-Thirion (7) · Victor J. Evans (6) · Brewer & Son (6) · Brandon frères (5) · Lavoix et Mosès (5) · Weismann et Marx (4) · John P. Tarbox (4) · J. Owden O'Brien (4) · Dupont et Elluin (4) · H. D. Fitzpatrick & Co. (4)
National tech categories:
FR 6.4 (122) · None (117) · HU V/h (23) · USPC 244/233 (9) · USPC 244/90R (8) · AU 90.3 (7) · USPC 244/48 (6) · USPC 244/177 (6) · USPC 244/80 (6) · USPC 244/234 (6) · CH 129b (5) · USPC 244/131 (5) · USPC 244/45R (4) · USPC 244/12.1 (4) · USPC 244/119 (4)
IPCs:
None (193) · IPC B64C17/00 (55) · IPC B64C1/00 (53) · IPC B64C39/00 (30) · IPC B64C23/00 (13) · IPC B64C3/38 (10) · IPC B64C17/06 (8) · IPC B64C13/00 (8) · IPC B64C3/00 (7) · IPC B64C3/56 (6) · IPC B64C25/00 (6) · IPC F41A19/05 (5) · IPC B64D17/00 (4) · IPC B64C3/48 (4) · IPC CPC B64C13/00 (4) · IPC B64C3/52 (3) · IPC B64C35/00 (3) · IPC B64C31/028 (3)
CPCs:
None (71) · CPC B64C17/00 (71) · CPC B64C2700/6218 (33) · CPC B64C13/00 (30) · CPC B64C23/005 (25) · CPC B64C39/00 (24) · CPC B64C2700/6295 (23) · CPC B64C3/385 (13) · CPC B64C39/08 (11) · CPC B64C17/06 (9) · CPC B64C2700/6274 (8) · CPC B64C3/56 (8) · CPC B64C39/005 (8) · CPC B64C2700/6212 (8) · CPC B64C33/02 (7) · CPC B64C3/14 (7) · CPC B64C1/00 (7) · CPC B64B1/00 (6) · CPC B64C3/48 (6) · CPC B64C3/00 (6)
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