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| Patents for John Sperry | |||||
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| Number | Date | Patentee | Title | Type | |
| 21,782 | Oct. 12, 1858 | J. Sperry | Rotary planing-cutter | cutters | |
| 35,332 | May 20, 1862 | J. Sperry | Improvement in veneer-cutting machines | veneer machines | |