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| All Patents in class 192/105C | |||||
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| Number | Date | Patentee | Title | Type | |
| 212,337 | Feb. 18, 1879 | T.A. Weston | Speed-Governor and Friction-Brake for Machinery | industrial friction brakes | |
| 664,190 | Dec. 18, 1900 | E. Thomson | Alternating-current electric motor | shaded pole induction motors | |
| 719,856 | Feb. 03, 1903 | V.T. Payne | Clutch | industrial machine clutches | |
| 846,193 | Mar. 05, 1907 | J. Fellows | Centrifugal clutch | industrial machine clutches | |
| 1,625,738 | Apr. 19, 1927 | L.F. Nenninger | Machine Tool Clutch | milling machines | |