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| All Patents in class 74/461 | |||||
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| Number | Date | Patentee | Title | Type | |
| 447,978 | Mar. 10, 1891 | G.G. Schroeder | Traction Engine | steam traction engines | |
| 3,121,340 | Feb. 18, 1964 | M.L. Anthony | Resilient Nut for Averaging Out Lead Screw Error | metalworking machine mechanisms | |