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| Patents for Perkins & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 449,696 | Apr. 07, 1891 | W.J. Perkins | Miter-cutting machine | miter machines | |
| 463,234 | Nov. 17, 1891 | W.J. Perkins | Shingle-sawing machine | shingle machines | |
| 537,850 | Apr. 23, 1895 | W.J. Perkins | Machine for trimming wood, &c. | miter machines | |