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| Patents for Union Hardware Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 238,369 | Mar. 01, 1881 | B. Donohue | Wrench | pipe wrenches | |
| 268,784 | Dec. 12, 1882 | B. Donohue | Wrench | wrench jaw components | |
| 665,693 | Jan. 08, 1901 | J. Page | Miter-box | miter boxes | |
| 716,384 | Dec. 23, 1902 | M.D. Converse | Miter Box | miter boxes | |
| 716,522 | Dec. 23, 1902 | M.D. Converse | Miter Box | miter boxes | |