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| Patents for D. M. Cummings | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,403 | Jan. 10, 1854 | D.M. Cummings | Machinery for mortising frames of window-blinds | mortising machines | |
| 18,535 | Nov. 03, 1857 | P.C. Cambridge, Jr., D.M. Cummings | Method of reversing the chisel in mortising-machines | mortising machines | |
| 27,534 | Mar. 20, 1860 | D.M. Cummings, C.M. Dyer | Shingle machine | shingle machines | |