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| Patents for D. C. Robinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 79,565 | Jul. 07, 1868 | O.V. Flora | Woodworker's Leg Vise | leg vises | |
| 79,566 | Jul. 07, 1868 | O.V. Flora | Blacksmith's Leg Vise | leg vises | |
| 141,939 | Aug. 19, 1873 | V. Luppert, P. St. Pierre | Improvement in saws | sawblades | |