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| Patents for DeWitt C. Cumings | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,385 | Aug. 07, 1855 | D.C. Cumings | Straw-cutter | hay or straw cutters | |
| RE847 | Nov. 08, 1859 | D.C. Cumings | Improvement in straw-cutters | hay or straw cutters | |
| RE1,911 | Mar. 28, 1865 | D.C. Cumings | Improvement in straw-cutters | hay or straw cutters | |
| 89,130 | Apr. 20, 1869 | D.C. Cumings | Improvement in vises | leg vises | |