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| Patents for Harrison P. Hood | |||||
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| Number | Date | Patentee | Title | Type | |
| 62,748 | Mar. 12, 1867 | H.P. Hood, A.K. Hood | Improvement in bench-dogs | bench stops | |
| 146,254 | Jan. 06, 1874 | H.P. Hood | Railway-Wrench | ratchet wrenches | |
| 215,456 | May 20, 1879 | H.P. Hood | Wrench | screw adjust wrenches | |
| 225,135 | Mar. 02, 1880 | H.P. Hood | Wrench | screw adjust wrenches | |