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| Patents for Robert F. Tompkins | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 69,510 | Oct. 01, 1867 | R.F. Tompkins | Improvement in wood-mitering machines | |
 | 83,891 | Nov. 10, 1868 | R.F. Tompkins, H.T. Williams | Improvement in mitering-machines | |
 | 92,491 | Jul. 13, 1869 | R.F. Tompkins | Improvement in machine for cutting bead-miters | |