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| Patents for H and E Wrench Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,391,179 | Sep. 20, 1921 | G.E. Hemphill, E.J. Evans | Monkey Wrench | quick adjust wrenches | |
| 1,449,386 | Mar. 27, 1923 | E.J. Evans, G.E. Hemphill | Pipe Wrench | pipe wrenches | |