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| All Patents in class 192/101 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 217,787 | Jul. 22, 1879 | F.L. Fairchild | Traction Engine | ||
 | 586,832 | Jul. 20, 1897 | J.G. Oliver, G.C. Bardons | Friction-clutch | |
 | 683,357 | Sep. 24, 1901 | M.J. Todd | Clutch for Traction Engines | |
 | 683,815 | Oct. 01, 1901 | M.J. Todd | Clutch for Traction Engines | |
 | 812,817 | Feb. 20, 1906 | J.H. Bryan | Clutch mechanism | |
| 814,132 | Mar. 06, 1906 | H.S. Hele-Shaw | Clutch mechanism | ||
 | 1,437,319 | Nov. 28, 1922 | A.B. Landis | Automobile clutch | |