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| All Patents in class 411/956 | |||||
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| Number | Date | Patentee | Title | Type | |
| 555,696 | Mar. 03, 1896 | W.B. Hammond | Machine for cutting railroad-rails | metal sawing machines | |
| 842,575 | Jan. 29, 1907 | M.F. McMahon | Self-retaining adjusting means for clutch-actuating draft-bolts | industrial machine clutches | |