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| Patents for Theodore F. Vandegrift | |||||
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| Number | Date | Patentee | Title | Type | |
| 444,171 | Jan. 06, 1891 | T.F. Vandegrift | Wrench | wedge adjust wrenches | |
| 444,511 | Jan. 13, 1891 | T.F. Vandegrift | Wrench | quick adjust wrenches | |
| 449,250 | Mar. 31, 1891 | T.F. Vandegrift | Pliers | pliers | |
| 460,694 | Oct. 06, 1891 | T.F. Vandegrift | Wrench | screw adjust wrenches | |
| 589,765 | Sep. 07, 1897 | T.F. Vandegrift | Nut Wrench | nut wrenches | |