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| Patents for Union Tool Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 602,449 | Apr. 19, 1898 | H. Hill | Boring Tool | ||
| 668,645 | Feb. 26, 1901 | A.F. Jackson | Pipe Wrench | pipe wrenches | |
| 676,318 | Jun. 11, 1901 | A.F. Jackson | Wrench | pipe wrenches | |
| 1,102,146 | Jun. 30, 1914 | E.E. Ellis | Quick-Adjust Calipers | calipers | |
| 1,269,324 | Jun. 11, 1918 | W.R. Shaver | Combined Bevel Protractor | protractors | |