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| All Patents in class 74/424.92 | |||||
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| Number | Date | Patentee | Title | Type | |
| 22,564 | Jan. 11, 1859 | J. Marvin | Taper-Gage for Carpenters | taper gauges | |
| 1,097,678 | May 26, 1914 | R.F. Scott | Multiple-spindle drill | multiple spindle drill presses | |
| 2,131,151 | Sep. 27, 1938 | H.F. Smith | Grinding machines | surface grinders | |
| 2,321,442 | Jun. 08, 1943 | J.C. Wilson | Collapsible antifriction nut | industrial machine clutches | |
| 2,525,326 | Oct. 10, 1950 | W.G. Axel | Antifriction transmission | ||