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Patents > CPCs : CPC B64B1/00 or CPC B64C23/005 & First filing: Yes

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None (602) · California (5) · New York (5) · Seine (5) · New York county (4) · Indiana (4) · Minnesota (4) · Cleveland (3) · Minneapolis, Minnesota (3) · London (3) · Hennepin county (3)
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None (633) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1913-472867 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1915-525800 (2) · Patent DE-1911-258741 (2)
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None (262) · None (30) · Munn & Co. (23) · Victor J. Evans (14) · Boramé et Julien (11) · Marks & Clerk (8) · Armengaud jeune (7) · Chassevent (6) · J. Bonnet-Thirion (6) · E. Blétry (5) · Hippolyte Josse (5) · Michael J. Stark & Sons (5) · W. P. Thompson & Co. (5) · Haseltine, Lake & Co. (5) · Abel & Imray (5)
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None (217) · FR 6.4 (131) · USPC 244/30 (48) · USPC 244/6 (43) · FR 6.3 (23) · USPC 244/26 (22) · USPC 244/66 (20) · USPC 244/25 (19) · USPC 244/28 (15) · USPC 244/12.1 (14) · USPC 244/125 (12) · DE 77 (12) · USPC 24/713.8 (11) · USPC 244/67 (9) · USPC 244/29 (9) · USPC 244/139 (8) · DE 77h.2 (6) · USPC 244/60 (6) · USPC 244/80 (6) · USPC 244/48 (5)
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Cites these patents:
None (673)
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