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| Patents for J. D. Mensing | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,158 | Jul. 03, 1855 | F. Brown, A. Brown | Boring and turning wood | wood lathes | |
| 14,223 | Feb. 12, 1856 | F. Brown, A. Brown | Machine for boring and turning wood | drilling and boring | |