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Patents for John G. Hinkel | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 292,473 | Jan. 29, 1884 | E.C. Walford, F.G. Dieterich | Cigar Dealer's Knife | |
![]() | 472,106 | Apr. 05, 1892 | J. Charter | Gas Engine | |
![]() | 572,934 | Dec. 08, 1896 | W.J. Smith | Die Head for Screw Cutting | |
![]() | 582,620 | May 18, 1897 | J.A. Charter | Gas Engine |