Drilldown: Patents

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Patents > Office : DK or GB & Assigned to : Moteurs Salmson or Sperry Gyroscope Company or None & National tech categories : DE 77 or USPC 244/45R or None & CPCs : CPC B64C2700/6295 or None & Cites these patents: None

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Office: (Click arrow to add another value)
Inventor country:
None (1123) · GB (216) · US (78) · DE (75) · FR (74) · IT (15) · AT (11) · HU (9) · CH (8) · BE (8) · AU (6) · RU (6) · CA (5) · NO (4) · NZ (4) · AH (4) · ES (3)
Applicant is inventor:
Application number:
None (1490)
Granted:
Supplementary to patent:
None (1482) ·   (11) · Patent GB-1912-18166 (2) · Patent FR-1907-377174 (2) · Patent CH-1907-41855 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Patent agent:
None (1276) · Marks & Clerk (27) · Haseltine, Lake & Co. (25) · Boult, Wade & Tennant (21) · Abel & Imray (13) · Herbert Haddan & Co. (12) · W. P. Thompson & Co. (11) · Wheatley & Mackenzie (9) · G. F. Redfern & Co. (8) · None (7) · J. Owden O'Brien (6) · Jensen & Son (6) · Brierley & Howard (6)
Assigned to: (Click arrow to add another value)
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Citations from after 1930:
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