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| Patents for John R. Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,220X | May 26, 1834 | B. Redheffer, W. Redheffer | Making combs | comb making machines | |
| 865,369 | Sep. 10, 1907 | E.L. Fesler | Pipe Tongs | chain and strap wrenches | |