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| Patents for John C. Hintz | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 18,588 | Nov. 10, 1857 | J.C. Hintz | Improved machine for turning spiral forms | |
 | 18,745 | Dec. 01, 1857 | J.C. Hintz | Machine for sawing beveled curves | |
 | 22,726 | Jan. 25, 1859 | J.C. Hintz | Machine for sawing winding forms | |
 | 95,478 | Oct. 05, 1869 | J.C. Hintz | Improvement in cigar-machines | |
 | 98,494 | Jan. 04, 1870 | J.C. Hintz | Improvement in bolt-work and doors for safes | |