Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Tech fields: None & Number of text pages: 2-6

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Inventors:
Watson F. Quinby (2) · Comte Antoine Apraxine (2) · Georg Fischer (2)
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Applicant person:
None (9) · Watson F. Quinby (2) · Comte Antoine Apraxine (2) · Georg Fischer (2)
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National tech categories:
None (11) · DE 77 (9) · USPC 244/22 (2) · USPC 244/3.23 (2) · USPC 244/28 (2) · USPC 244/64 (2)
CPCs:
None (6) · CPC B64B1/00 (4) · CPC B64C39/005 (3) · CPC B64C33/02 (3) · CPC B64B1/58 (3) · CPC B64C27/54 (3) · CPC B64B1/40 (2) · CPC F42B10/30 (2) · CPC B64C33/00 (2)
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