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| Patents for Henry Hess | |||||
| Number | Date | Patentee | Title | Type | |
| 332,833 | Dec. 22, 1885 | F.E. Reed, J.R. Back | Metal-turning lathe | engine lathes | |
| 570,093 | Oct. 27, 1896 | H. Hess | Metal Planing Machine | metalworking machine mechanisms | |