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Patents > Office : BE or JP or NL or Other & Tech fields: stability & Application number : navigation or None

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Supplementary to patent:
None (272) · Patent GB-1903-27212 (6) · Patent GB-1909-26034 (6) · Patent US-1913-04-21 George Raymond Lawrence (6) · Patent GB-1908-4519 (5) · Patent HU-1901-24148 (4) · Patent FR-1912-447782 (4) · Patent NO-1915-12-15 Carl Alfred Johansson (4) · Patent GB-1909-2111 (4) · Patent FR-1909-410140 (4) · Patent GB-1909-8531 (4) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent US-1903-821393 (3) · Patent AU-1911-510 (3)
Related to aircraft:
Patent agent:
None (236) · Haseltine, Lake & Co. (9) · Marks & Clerk (7) · Munn & Co. (5) · Henry Hughes (5) · Abel & Imray (4) · E. Blum & Co. (4) · Schwab (4) · Raclot (4) · Victor J. Evans (4) · Wm. P. Thompson & Co. (3) · E. et G. Bede (3) · H. Kirchhofer (3) · A. Wunderlich & Cie, Ingénieurs-Conseils (3) · F. W. Le Tall (3) · Armengaud jeune (3)
National tech categories:
None (110) · BE K (38) · FR 6.4 (28) · AT 77d (26) · DE 77h.5 (20) · IT 8 (19) · CH 129b (18) · FR 6.3 (14) · DE 77 (10) · AU 90.3 (8) · DK 77 (8) · USPC 244/80 (7) · DE 77h (6) · RU Group V (5) · HU V/h (5) · USPC 244/3.23 (4) · GB 4 aëroplanes (4) · USPC 244/3.27 (4) · GB 4 propel & steer (4) · USPC 244/93 (4)
IPCs:
None (327) · IPC B64C17/00 (13) · IPC B64C1/00 (8) · IPC B64C39/00 (5) · IPC B64B1/00 (5) · IPC F42B10/00 (4) · IPC B64C23/00 (4) · IPC G01C21/18 (4) · IPC B64C31/00 (4) · IPC B64C17/04 (3) · IPC B64D35/04 (3) · IPC B64C19/00 (3) · IPC B64C31/06 (3) · IPC B64C17/06 (2) · IPC B64C17/02 (2) · IPC B64C9/00 (2) · IPC B64C9/08 (2) · IPC B64D27/00 (2) · IPC B64C31/02 (2) · IPC B64B1/40 (2)
CPCs:
None (287) · CPC B64C17/00 (28) · CPC B64C23/005 (8) · CPC B64C13/00 (7) · CPC B64B1/00 (6) · CPC B64C39/00 (6) · CPC G01C21/18 (6) · CPC A63H27/08 (5) · CPC B64B1/40 (5) · CPC Y10T74/1218 (4) · CPC B64C2700/6295 (4) · CPC B64C5/08 (3) · CPC B64C31/02 (3) · CPC B64D35/04 (3) · CPC B64C39/08 (3)
First filing:
Citations from after 1930:
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