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| All Patents in class 271/8.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,188 | Jul. 10, 1847 | R.M. Hoe | Improvement in printing-presses | printer | |
| 17,861 | Jul. 28, 1857 | T.J. Alexander | Method of driving circular saws | circular sawmills | |
| 471,221 | Mar. 22, 1892 | L.M. Moores | Paper Delivering Tip | printer | |
| 769,927 | Sep. 13, 1904 | E. Zeh | Feed mechanism for can-body machines | can making machines | |
| 1,598,919 | Sep. 07, 1926 | C.D. McDonald | Metal-shearing machine | ||