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| All Patents in class 411/322 | |||||
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| Number | Date | Patentee | Title | Type | |
| 842,575 | Jan. 29, 1907 | M.F. McMahon | Self-retaining adjusting means for clutch-actuating draft-bolts | industrial machine clutches | |
| 859,063 | Jul. 02, 1907 | H.H. Henson | Nut Lock | auxiliary wrenches | |