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| All Patents in class 403/114 | |||||
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| Number | Date | Patentee | Title | Type | |
| 957,984 | May 17, 1910 | A.L. Mowry | Piston | rotary steam engines | |
| 4,936,701 | Jun. 26, 1990 | J.S. Amtmann, K.D. Allen | Universal Joint with Rotating Holder Sleeve | socket wrenches | |