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| Patents for G. W. Barr | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 165,655 | Jul. 20, 1875 | R.S. Battles | Improvement in the Construction of Screw-Wrenches | |
 | 1,087,625 | Feb. 17, 1914 | F.O. Albertson | Valve Truing Tool | |