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| All Patents in class 254/117 | |||||
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| Number | Date | Patentee | Title | Type | |
| 49,090 | Aug. 01, 1865 | G.L. Cummings | Improvement in carriage-jacks | wagon and cart jacks | |
| 2,092,117 | Sep. 07, 1937 | E.A. Hall | Valve Facing Means | valve reseating machines | |