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| Patents for A. P. and M. Stephens & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 87,985 | Mar. 16, 1869 | A.P. Stephens | Improved rotary metal-cutter | cutters | |
| 125,625 | Apr. 09, 1872 | A.P. Stephens | Improvement in vises | bench vises | |