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| All Patents in class 76/51 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,848 | Jul. 12, 1853 | N.T. Coffin | Improvement in Forming Teeth on Mill Saws | tool making machines | |
| 424,025 | Mar. 25, 1890 | A.H. Richardson | Machine for sharpening cutting-tools | sharpening machines | |
| 989,727 | Apr. 11, 1911 | H.W. Sage | Tooth-bending attachment | saw sharpening machines | |
| 1,095,662 | May 05, 1914 | W.H. Mozingo | Saw Gummer and Swager | saw gummers | |
| 1,603,894 | Oct. 19, 1926 | F.K. Benedict | Clamp screw for saw swages | saw swages | |