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| Patents for William Pearson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 43,926 | Aug. 23, 1864 | W. Pearson | Pipe Wrench | |
 | 80,997 | Aug. 11, 1868 | W. Pearson | Clamp Nut | |
 | 155,875 | Oct. 13, 1874 | J. Legget | Improvement in Saw Sets | |