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| Patents for N. C. Stiles & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 41,403 | Jan. 26, 1864 | N.C. Stiles | Improved Punching-Press | metal punching machines | |
| RE2,139 | Dec. 26, 1865 | N.C. Stiles | Improved Punching-Press | metal punching machines | |
| 52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch | metal punching machines | |
| RE2,542 | Apr. 02, 1867 | N.C. Stiles | Improved Punching Apparatus | metal punching machines | |