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

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Office:
Inventors:
Alfred E. Wunderlich (38) · Maurice Léger (8) · Thomas Augustus Dring (8) · Francis Alexander Barton (4) · Joseph Chantraine (4) · Fidia Riccardo Pio (4) · Firmin Bousson (4) · Vassily Rebikov (3) · Rudolph Kosch (3) · Dr. Bernhard Reinhard Beenen (3) · Todd Churchill Woodworth (3) · None (3) · Kurt Schultze (3)
Applicant person:
None (62) · Alfred E. Wunderlich (38) · Maurice Léger (5) · Fidia Riccardo Pio (4) · Joseph Chantraine (4) · Firmin Bousson (3) · Francis Alexander Barton (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Supplementary to patent:
None (132) · Patent BE-1909-214032 (33) · Patent GB-1909-12556 (7) · Patent HU-1901-22471 (5) · Patent BE-1907-198483 (3) · Patent BE-1913-255172 (3) · Patent DE-1896-98109 (3) · Patent FR-1899-292828 (3) · Patent RU-1905-Rebikov (2) · Patent US-1899-659264 (2) · Patent FR-1906-367357 (2) · Patent US-1908-922952 (2) · Patent FR-1902-324521 (2)
Related to aircraft:
Patent agent:
None (134) · A. Wunderlich & Cie, Ingénieurs-Conseils (34) · Verhaeghen (4) · Arthur Otto Sachse (3) · Haseltine, Lake & Co. (3) · W. D. Rowlingson (3) · A. Ritter (2) · Henry Hughes (2) · le Comptoir indus. et tech. (anc. maison Picard) (2) · Herbert Haddan & Co. (2) · Edmund Hunt & Co. (2) · 1 (2) · Thomas R. Shillito (2) · Boult, Wade & Tennant (2) · Chassevent (2)
Assigned to:
National tech categories:
BE K (61) · None (59) · HU V/h (25) · RU Group V (9) · FR 6.3 (8) · AT 77d (8) · AU 90.3 (7) · GB 4 propel & steer (4) · GB 4 (4) · DE 77h (4) · IT 8 (4) · MX F. III (4) · GB aërial machines with aërostats or buoyant bodies (3) · AU 90.5 (3) · GB 4 parachutes (3) · FR 6 (3) · CH 129b (3) · DK 77 (3)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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