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Patents > Tech fields : Airship or Propulsion or safety or wings & Granted: Yes & Related to aircraft : Yes or mooring & IPCs : IPC B64C17/00 or None & CPCs: None

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None (376)
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Supplementary to patent:
None (319) · Patent US-1913-1087946 (4) · Patent FR-1881-142748 (3) · Patent DE-1907-215602 (3) · Patent GB-1908-4519 (3) · Patent DE-1903-160742 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (320) · Armengaud jeune (7) · Desnos (6) · Société Louis Gudman et Cie (5) · Armengaud aîné (4) · Boult, Wade & Tennant (4) · A. Wunderlich & Cie, Ingénieurs-Conseils (4) · E. et G. Bede (3) · W. P. Thompson & Co. (3) · Émile Barrault (3) · Hy. Fairbrother (3) · J. Owden O'Brien (3)
National tech categories:
None (137) · HU V/h (112) · FR 6.3 (86) · BE K (33) · AT 77d (22) · GB 4 with buoyant (12) · FR 5 (11) · DE 77 (10) · GB 4 without buoyant (9) · GB 4 propel & steer (9) · FR 6.4 (7) · FR 6 (4) · GB 122 aero steam engines (4) · IT 8 (3) · CH 129b (3) · GB 4 (3) · DK 77 (3) · AU 90.3 (3)
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