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 B64B1/58 or None & Cites these patents: None

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Office: (Click arrow to add another value)
Inventor country:
None (1114) · GB (186) · DE (90) · FR (65) · US (50) · AT (9) · IT (9) · HU (9) · CH (8) · BE (7) · RU (5) · AH (4) · NO (4) · CA (3) · NZ (3) · SE (3)
Applicant is inventor:
Application number:
None (1489)
Granted:
Supplementary to patent:
None (1417) ·   (11) · Patent GB-1912-18166 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent CH-1907-41855 (2) · Patent FR-1907-377174 (2)
Related to aircraft:
Patent agent:
None (1240) · Haseltine, Lake & Co. (25) · Marks & Clerk (25) · Boult, Wade & Tennant (17) · Abel & Imray (12) · Herbert Haddan & Co. (12) · W. P. Thompson & Co. (10) · Wheatley & Mackenzie (9) · G. F. Redfern & Co. (7) · Jensen & Son (6) · J. Owden O'Brien (6) · Brierley & Howard (6) · Boult, Wade & Kilburn (5) · Hy. Fairbrother (5) · Phillips & Leigh (5) · None (4) · Alfred Julius Boult (4) · J. E. Evans-Jackson & Co. (4) · A. M. & William Clark (4)
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First filing:
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Citations from after 1930:
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