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Patents > Granted: Yes & Supplementary to patent : Patent FR-1916-502839 or Patent US-1913-04-21 George Raymond Lawrence or None & Assigned to : Établissements de Dion-Bouton or None & IPCs : IPC B64C27/04 or IPC B64C3/18 or IPC B64C33/00 or IPC B64C35/00 or IPC B64C39/00

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Airplane (164) · None (96) · Design (95) · frame (92) · propulsion (87) · construction (67) · wings (65) · stability (48) · propellers (47) · helicopter (41) · aerodynamics (36) · hybrid (33) · control (32) · flapping (31) · lift (30) · Whole (30) · navigation (29) · fuselage (27)
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None (157) · None (37) · Armengaud jeune (30) · Weismann et Marx (13) · Boult, Wade & Tennant (13) · J. Germain (13) · Marks & Clerk (12) · L. Chassevent (9) · Brewer & Son (9) · E. Blétry (8) · Dom. Casalonga (7) · Munn & Co. (7) · Brandon frères (7) · Dupont et Elluin (6) · J. S. Withers & Spooner (6) · J. Bonnet-Thirion (6) · Chassevent (6) · Charles Dony (6) · Hippolyte Josse (6)
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National tech categories:
FR 6.4 (280) · None (192) · FR 6.3 (17) · DE 77h.5 (12) · USPC 244/45R (12) · USPC 244/22 (12) · USPC 244/13 (9) · DE 77h.9 (8) · USPC 244/11 (7) · DE 77 (5) · DE 77h.11 (5) · USPC 244/72 (4) · USPC 244/9 (4) · USPC 244/70 (4) · USPC 244/20 (4) · FR 6.2 (3) · USPC 244/64 (3)
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CPCs:
CPC B64C39/00 (186) · CPC B64C2700/6295 (179) · CPC B64C35/00 (81) · CPC B64C2700/6281 (51) · CPC B64C39/005 (48) · CPC B64C33/00 (46) · CPC B64C39/08 (39) · CPC B64C27/04 (39) · CPC B64C3/18 (29) · CPC B64C3/185 (21) · CPC B64C39/008 (17) · CPC B64F2700/6261 (16) · CPC B64C27/12 (16) · CPC B64C33/02 (14) · CPC B64F2700/6296 (10) · CPC B64C39/003 (9) · CPC B64C39/006 (8) · CPC B64F2700/6265 (7) · CPC B64C35/008 (7)
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