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| Patents for J. L. Perry & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 188,580 | Mar. 20, 1877 | J.L. Perry, A. Bridgman | Improvement in wood-polishing machines | sanding machines | |
| 209,648 | Nov. 05, 1878 | A. Bridgman | Improvement in sandpapering-machines | sanding machines | |
| 226,273 | Apr. 06, 1880 | J.L. Perry, A. Bridgman | Wood-polishing machines | drum sanders | |
| 273,304 | Mar. 06, 1883 | J.L. Perry | Abrading cutter-head | sanding machines | |