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| Patents for Perfection Wrench Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 858,357 | Jun. 25, 1907 | G.A. McIntire | Wrench | self-adjust wrenches | |
| 952,079 | Mar. 15, 1910 | G.A. McIntire | Wrench | self-adjust wrenches | |