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| All Patents of Type: vehicle clutches | |||||
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| Number | Date | Patentee | Title | Type | |
| 714,916 | Dec. 02, 1902 | J.W. Kellogg | Automatic Clutch | vehicle clutches | |
| 2,397,642 | Apr. 02, 1946 | J.Y. Blazek, G.E. Sears | Clutch plate | vehicle clutches | |