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| All Patents in class 475/314 | |||||
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| Number | Date | Patentee | Title | Type | |
| 161,986 | Apr. 13, 1875 | H.W. Sherrill | Reversing Pulley or Gear Wheel | industrial machine pulleys and belt drive mechanisms | |
| 361,222 | Apr. 12, 1887 | W.S. Rogers, W.C. Jones | Gearing | ||
| 942,843 | Dec. 07, 1909 | J.C. Potter, J. Johnston | Gearing | turret lathes | |