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Patents > Inventor country : NL or NO or None

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Inventor country: (Click arrow to add another value)
Applicant firm:
None (2616) · Dornier Metallbauten (6) · Motorluftschiff Studiengesellschaft m.b.H (3) · Ballonfabrik Augsburg A.G. (2) · Blair Atholl Aeroplane Syndicate Ltd. in London (2) · August Riedinger Ballonfabrik Augsburg G.m.b.H. (2)
Applicant is inventor:
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (2546) · Patent NO-1915-12-15 Carl Alfred Johansson (9) ·   (4) · Patent NO-1891-2589 (3) · Patent FR-1880-139386 (3) · Patent GB-1912-2540 (3) · Patent BE-1913-253298 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent FR-1881-143264 (2) · Patent FR-1900-299924 (2)
Related to aircraft:
Patent agent:
None (2419) · Desnos (12) · Armengaud jeune (10) · Blétry aîné (10) · Chassevent (7) · Société Marillier et Robelet (7) · Dieuaide (6) · Thirion (4) · Dumas (4) · None (4) · Marks & Clerk (4) · Casalonga (4) · Boult, Wade & Tennant (4) · Société Louis Gudman et Cie (4) · Armengaud aîné (4)
National tech categories:
None (2089) · FR 6.3 (173) · GB 4 propel & steer (24) · GB 4 with buoyant (20) · FR 6.4 (19) · USPC 244/139 (15) · GB 4 (15) · BE K (14) · USPC 244/147 (14) · DE 77 (12) · GB 4 without buoyant (12) · USPC 244/142 (12) · NL 62 (11) · USPC 244/153R (10) · DE 77h.5 (10) · FR 5 (8) · USPC 244/149 (8) · USPC 244/53A (7) · AT 77d (7)
IPCs:
None (2550) · IPC B64C39/00 (12) · IPC B64C17/00 (7) · IPC B64C23/00 (7) · IPC B64B1/00 (4) · IPC B63H1/12 (4) · IPC B64C3/00 (3) · IPC B64C11/00 (3) · IPC B64B1/58 (3) · IPC B64C11/32 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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