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Patents > CPCs : CPC B64C11/48 or CPC B64C2700/6274 or CPC B64C3/56

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None (342) · Nord (4) · Pittsburgh (3) · Allegheny county, Pennsylvania (3) · PA (3) · Indiana (2) · Seine (2) · Bouches-du-Rhône (2) · California (2)
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None (326) · Patent FR-1909-402649 (2) · Patent AT-1909-40038 (2) · Patent BE 1911-04-07 Bollekens frères (2) · Patent FR-1908-394254‎ (2) · Patent DE-1909-220044 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2)
Related to aircraft:
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None (159) · None (15) · G. de Mestral et F. Harle (6) · Armengaud jeune (6) · J. Bonnet-Thirion (5) · J. Germain (5) · Marks & Clerk (5) · Boult, Wade & Tennant (4) · Charles Dony (4) · W. P. Thompson & Co. (4) · Paul Caquet (4) · Munn & Co. (4) · L. Chassevent (4) · C. Blétry (3) · C. Bauman (3) · Borame et Julien (3) · E. Blétry (3) · P. Follin (3) · Schwab (3)
National tech categories:
None (218) · FR 6.4 (110) · USPC 244/49 (8) · USPC 416/129 (6) · USPC 416/200R (6) · USPC 416/128 (6) · DE 77h.5 (4) · USPC 244/65 (2) · FR 10.4 (2)
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