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| All Patents in class 226/137 | |||||
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| Number | Date | Patentee | Title | Type | |
| 642,885 | Feb. 06, 1900 | A. Swasey | Roller Feed for Screw Machines | screw machines | |
| 1,284,652 | Nov. 12, 1918 | G. Gorton | Stock-Feeding Device for Cutting-Off Machines | cutting-off and centering machines | |