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| Patents for Merrick & Sons | |||||
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| Number | Date | Patentee | Title | Type | |
| 58,504 | Oct. 02, 1866 | w.H. Strahan | Improved Tool-Rest for Grindstones | grinding attachments | |
| 80,550 | Aug. 04, 1868 | D. Joy | Steam Hammer | steam hammers | |