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| Patents for E. W. Sperry | |||||
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| Number | Date | Patentee | Title | Type | |
| 26,322 | Nov. 29, 1859 | A. Cooley | Clamp for Holding Knive Handles | ||
| 26,323 | Nov. 29, 1859 | A. Cooley | Holding Knife Handles for Soldering | ||