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| Patents Granted on 1874-07-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 152,748 | Jul. 07, 1874 | W.G. Hearn | Improvement in saw-mill head-blocks | sawmill headblocks | |
| 152,840 | Jul. 07, 1874 | S.S. Grannis | Improvement in head-blocks for saw-mills | sawmill headblocks | |
| 152,872 | Jul. 07, 1874 | C.T. Shoemaker | Improvement in Devices for Hammering Saws | handsaws | |