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| Patents for Mark M. Powers | |||||
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| Number | Date | Patentee | Title | Type | |
| 336,860 | Feb. 23, 1886 | D.C. Krum | Presser-bar for planing-machines | wood planers | |
| 418,606 | Dec. 31, 1889 | A. Dodds | Rubbing-machine | sanding machines | |