Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Applicant firm: None & Number of claims: 3-7

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Office:
Inventors:
Otto Hartung (2) · William Beeson (2) · Comte Antoine Apraxine (2) · Georg Wellner (2)
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Applicant person:
None (11) · Comte Antoine Apraxine (2)
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National tech categories:
None (14) · DE 77 (7) · USPC 244/30 (6) · USPC 89/1.51 (3) · USPC 244/73R (2) · USPC 244/153R (2) · USPC 416/113 (2) · USPC 244/3.23 (2) · USPC 244/51 (2)
CPCs:
None (9) · CPC B64B1/00 (8) · CPC B64C11/006 (3) · CPC F16B2200/40 (2) · CPC B64C9/00 (2) · CPC B64C2700/6273 (2) · CPC B64C27/54 (2) · CPC B64C23/005 (2) · CPC B64C11/04 (2) · CPC F16B2/02 (2) · CPC F05B2260/74 (2) · CPC A63H27/08 (2) · CPC Y10T403/4677 (2)
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