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| All Patents in class 112/270 | |||||
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| Number | Date | Patentee | Title | Type | |
| 344,292 | Jun. 22, 1886 | A. Touchette | Knot-saw guard | woodworking machine safety guards | |
| 371,706 | Oct. 18, 1887 | R.S. Redman | Dental Lathe | dental apparatus | |
| 635,024 | Oct. 17, 1899 | H.C. Clay, J.N. Kailor, M.T. Reeves | Gear Casing | industrial machine gearing | |
| 648,000 | Apr. 24, 1900 | J.R. Thomas | Saw-guard | woodworking machine safety guards | |
| 1,369,452 | Feb. 22, 1921 | G.C. Marx | Sewing-machine motor | electric motors | |