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| All Patents in class 271/6 | |||||
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| Number | Date | Patentee | Title | Type | |
| 113,769 | Apr. 18, 1871 | R.M. Hoe | Improvement in printing-presses | printing presses | |
| 266,650 | Oct. 31, 1882 | M.O. Smith | Drag-saw | drag saws | |