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| Patents for Union Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 51,465 | Dec. 12, 1865 | J.P. Lindsay | Improved Wrench | nut wrenches | |
| 302,649 | Jul. 29, 1884 | J.W. Carleton | Reversible jaw for lathe-chucks | metal lathe chucks | |
| 1,219,083 | Mar. 13, 1917 | A.E. Church | Hydraulic chuck | metal lathe chucks | |