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| Patents for Henry H. Hill | |||||
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| Number | Date | Patentee | Title | Type | |
| 191,412 | May 29, 1877 | S.C. Englund | Wrench | quick adjust wrenches | |
| 206,733 | Aug. 06, 1878 | H.H. Hill | Wrench | screw adjust wrenches | |