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| Patents for James T. Barkelew | |||||
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| Number | Date | Patentee | Title | Type | |
| 942,222 | Dec. 07, 1909 | I.C. Smith | Valve Grinder | valve grinding tools | |
| 968,038 | Aug. 23, 1910 | L.J. Everest | Clamp | hand screws | |