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Patents > Filing date: 1909 & Granted: Yes & Number of claims: 2-4

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None (339) · Paris (5) · Seine (4) · Yorkshire (3) · Berlin (3) · Nord (3) · Allegheny county, Pennsylvania (2) · PA (2) · Pittsburgh (2) · Seine-et-Oise (2) · Budapest (2) · Berlin-Reinickendorf (2)
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None (258) · Patent DE-1908-221549 (5) · Patent DE-1908-220975 (4) · Patent GB-1909-2111 (4) · Patent FR-1908-392672 (4) · Patent US-1909-970771 (4) · Patent FR-1909-403985 (3) · Patent FR-1908-397199 (3) · Patent AT-1909-49294 (3)
Related to aircraft:
Patent agent:
None (102) · Armengaud jeune (28) · Marks & Clerk (18) · Boult, Wade & Tennant (9) · Herbert Haddan & Co. (9) · None (8) · J. Bonnet-Thirion (6) · Lavoix et Mosès (6) · L. Chassevent (5) · Charles Dony (5) · Émile Klotz (4) · E. Blétry (4) · Chassevent (4) · Schwab (4) · E. Blum & Co. (4) · Victor J. Evans (4)
National tech categories:
None (120) · FR 6.4 (104) · HU V/h (21) · AT 77d (11) · DE 77h.6 (6) · DE 77h.4 (6) · CH 129a (5) · DE 77h.5 (5) · USPC 244/65 (4) · DK 77 (3) · USPC 244/6 (3) · DE 77h.11 (3) · USPC 244/17.15 (3) · USPC 244/17.21 (3)
IPCs:
None (121) · IPC B64C39/00 (35) · IPC B64B1/00 (18) · IPC B64C17/00 (18) · IPC B64C1/00 (16) · IPC B64C3/38 (12) · IPC B64C35/00 (11) · IPC B64B1/58 (9) · IPC B64C11/00 (8) · IPC B64C13/00 (8) · IPC B64C23/00 (7) · IPC B64B1/62 (7) · IPC B64C3/00 (7) · IPC B64C25/00 (6) · IPC B64C33/00 (6) · IPC B64C31/06 (5) · IPC B64C27/04 (5) · IPC B64C3/54 (4) · IPC B64B1/60 (4)
CPCs:
None (68) · CPC B64C39/00 (25) · CPC B64C17/00 (21) · CPC B64B1/00 (20) · CPC B64C2700/6295 (20) · CPC B64C3/385 (13) · CPC B64C23/005 (12) · CPC B64B1/58 (11) · CPC B64C35/00 (10) · CPC B64C13/00 (10) · CPC B64C33/02 (8) · CPC B64C1/00 (7) · CPC B64C2700/6218 (7) · CPC A63H27/08 (7) · CPC B64C11/006 (6) · CPC B64C3/00 (6) · CPC B64B1/62 (6) · CPC B64F2700/6296 (6) · CPC B64C2700/6274 (6) · CPC B64C11/20 (6)
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