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| Patents for William Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,119X | May 04, 1814 | W. Walker, J. Barnhurst, T. Barnhurst | Furnace for melting and refining of metals | industrial furnaces | |
| 9,142X | Oct. 06, 1835 | W. Walker | Plough | plows | |
| 30,904 | Dec. 11, 1860 | S.A. Worthen | Crosscut-sawing machine | reciprocating saws | |
| D29,832 | Dec. 20, 1898 | W. Walker | Design for a Tool | rules | |