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| All Patents in class 474/61 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,019,516 | Mar. 05, 1912 | A.E. Newton | Belt-drive | metalworking power transmission | |
| 1,019,639 | Mar. 05, 1912 | F.K. Hendrickson | Belt-tightener for drills | drill presses | |
| 1,105,529 | Jul. 28, 1914 | A.E. Newton | Spindle-driving mechanism | drill presses | |
| 1,173,189 | Feb. 29, 1916 | J.G. Hey | Belt-gearing | metalworking power transmission | |
| 1,322,543 | Nov. 25, 1919 | E.W. Clark | Bench-drill | drill presses | |