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Patents > Supplementary to patent : Patent AU-1914-14892 or Patent US-1913-04-21 George Raymond Lawrence or None & National tech categories: None & Number of diagram pages: 3-70

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Tech fields:
None (76) · airplane (62) · stability (43) · frame (39) · Propulsion (38) · construction (33) · design (30) · control (28) · LTA (28) · wings (27) · navigation (26) · propellers (25) · marine (16) · propeller (15) · helicopter (14) · hybrid (14) · whole (13) · rudder (13) · Airship (13) · landing (13)
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Patent agent:
None (84) · None (17) · Brewer & Son (12) · Marks & Clerk (12) · John P. Tarbox (11) · Munn & Co. (10) · Boult, Wade & Tennant (7) · Haseltine, Lake & Co. (7) · Victor J. Evans (6) · Jensen & Son (5) · H. D. Fitzpatrick & Co. (4) · Randolph, Jr. (4) · J. Owden O'Brien (4) · Herbert Haddan & Co. (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (170) · IPC B64C17/00 (21) · IPC B64C39/00 (20) · IPC B64C1/00 (19) · IPC B64C3/00 (13) · IPC B64C3/38 (10) · IPC B64C35/00 (9) · IPC B64C23/00 (8) · IPC B64C33/00 (7) · IPC B64C3/54 (6) · IPC B64C27/04 (6) · IPC B64B1/00 (6) · IPC B64C13/00 (5) · IPC B64C3/18 (5) · IPC B64C11/00 (5) · IPC B64C17/06 (5) · IPC B64C27/10 (4) · IPC B64C25/00 (4) · IPC B64C3/56 (4)
CPCs:
None (53) · CPC B64C17/00 (25) · CPC B64C3/00 (14) · CPC B64B1/00 (14) · CPC B64C2700/6295 (14) · CPC B64C13/00 (14) · CPC B64C2700/6218 (13) · CPC B64C35/00 (13) · CPC B64C11/006 (12) · CPC B64C23/005 (12) · CPC B64C39/005 (10) · CPC B64C33/00 (9) · CPC B64C2700/6235 (9) · CPC B64C39/00 (8) · CPC B64C3/56 (8) · CPC B64C3/385 (8) · CPC B64C33/02 (7) · CPC B64C39/08 (6)
First filing:
Cites these patents:
None (359)
Citations from after 1930:
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