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Patents > Tech fields : Helicopter or Wings & CPCs: None

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Applicant person:
None (79) · John Washington Wilson (7) · Jan Jaakson (6) · Edmund Sparmann (5) · Maurice Léger (5) · Ugo Antoni (4) · Arthur Henry Edwards (4) · Guido Antoni (4) · Charles Arthur Wragg (4) · George Raymond Lawrence (4) · Alfred E. Wunderlich (4)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (288) · frame (2)
Granted:
Supplementary to patent:
None (215) · Patent GB-1909-12556 (7) · Patent SE-1906-23283 (7) · Patent GB-1911-12232 (6) · Patent US-1909-970771 (6) · Patent HU-1901-22471 (5) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent GB-1908-4519 (3) · Patent DE-1896-98109 (3) · Patent CH-1912-62201 (3) · Patent FR-1909-403985 (3) · Patent SE-1906-25199 (3) · Patent US-1916-1208684 (3) · Patent AU-1914-14892 (3) · Patent DE-1898-126955 (3)
Related to aircraft:
Patent agent:
None (259) · A. Wunderlich & Cie, Ingénieurs-Conseils (6) · Arthur Otto Sachse (3) · De Visscher et Graetz (3) · Herbert Haddan & Co. (3) · Brierley & Howard (3) · J. Gevers (3) · E. Blum & Co. (3)
National tech categories:
None (79) · HU V/h (76) · AT 77d (45) · BE K (42) · IT 8 (17) · DK 77 (12) · CH 129b (9) · RU Group V (8) · AU 90.3 (8) · DE 77h (7) · GB 4 without buoyant (6) · GB 4 propel & steer (6) · MX F. III (4) · FR 6.3 (4) · AU 90.5 (4) · GB 4 with buoyant (4) · GB 4 (4) · RU 62b (3) · GB 4 aëroplanes (3) · CH 129c (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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