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| Patents for W. G. Stewart | |||||
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| Number | Date | Patentee | Title | Type | |
| 496,595 | May 02, 1893 | H.S. Zook, J.K. Byler | Carriage Wrench | axle nut wrenches | |
| 683,178 | Sep. 24, 1901 | C. Jackson | Machine Tool | metal planers | |