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Patents > Filing date: 1909 & Supplementary to patent : Patent GB-1909-8531 or None

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Inventor location:
None (899) · Seine (14) · Paris (9) · Yorkshire (6) · Budapest (6) · Nord (5) · New York city (4) · Seine-et-Oise (4) · New York county (3) · Bexar county (3) · TX (3) · San Antonio (3) · New York (3)
Applicant firm:
None (957) · Établissements de Dion-Bouton (6) · Motorluftschiff Studiengesellschaft m.b.H (5)
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Related to aircraft:
National tech categories:
None (394) · FR 6.4 (241) · HU V/h (24) · AT 77d (19) · USPC 244/45R (10) · FR 6.2 (9) · DE 77h.5 (8) · IT 8 (7) · USPC 244/22 (7) · USPC 244/66 (7) · USPC 244/93 (7) · DE 77h.4 (7) · USPC 244/65 (7) · USPC 244/72 (6) · DE 77h.6 (6) · USPC 244/51 (6) · BE K (6) · FR 5.3 (6)
IPCs:
None (485) · IPC B64C39/00 (61) · IPC B64C17/00 (46) · IPC B64B1/00 (39) · IPC B64C1/00 (39) · IPC B64C3/38 (33) · IPC B64B1/58 (27) · IPC B64C23/00 (24) · IPC B64C33/00 (17) · IPC B64C13/00 (17) · IPC B64C11/00 (16) · IPC B64C33/02 (14) · IPC B64C3/00 (12) · IPC B64C25/00 (11) · IPC B64B1/40 (9) · IPC B64C31/06 (9) · IPC B64C3/54 (8)
First filing:
Cites these patents:
None (985)
Citations from after 1930:
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