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| All Patents in class 144/172 | |||||
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| Number | Date | Patentee | Title | Type | |
| 300,099 | Jun. 10, 1884 | W.T. McCloskey | Wood-splitting machine | firewood machines | |
| 383,690 | May 29, 1888 | C.H. Barrows | Machine for splitting wood | firewood machines | |
| 475,881 | May 31, 1892 | W. Merrill | Machine for creating wood chips | excelsior machines | |
| 5,143,311 | Sep. 01, 1992 | J.E. Laster | Wood shavings forming apparatus and cutting roll adapted for use therewith | excelsior machines | |