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| Patents for Henry Marsh Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,635 | Jul. 22, 1890 | S. Moore | Machine for Making Twist Drills | making drills and augers | |
| 450,398 | Apr. 14, 1891 | E.A. Corliss, administratrix, G.H. Corliss, deceased (estate of) | Machine for Finishing the Ends of Cylinders of Steam Engines | metalworking machines | |