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| Patents for J. D. C. Carpenter | |||||
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| Number | Date | Patentee | Title | Type | |
| 21,651 | Oct. 05, 1858 | J.D. Carpenter | Deflecting-plate of circular saws | circular saws | |
| 22,546 | Jan. 11, 1859 | J.D. Carpenter | Device for setting laterally circular saws | circular sawmills | |