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| Patents for James W. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 539,464 | May 21, 1895 | R. Whitaker | Saw Sharpening Device | saw sharpening machines | |
| 588,438 | Aug. 17, 1897 | R. Whitaker, J.W. Johnson | Wrench | alligator wrenches | |