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| All Patents in class 411/937.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 439,660 | Nov. 04, 1890 | A. Holmquist | Feed Screw and Nut for the Same | metalworking power transmission | |
| 1,433,528 | Oct. 31, 1922 | C.G. Johnson, E.J. Bryant | Ring Thread Gauge | thread gages | |
| 3,220,289 | Nov. 30, 1965 | S.E. Farekas | Intermediate Shaft Support Bearing | engine lathes | |