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| All Patents in class 241/225 | |||||
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| Number | Date | Patentee | Title | Type | |
| 416,204 | Dec. 03, 1889 | J.F. Winchell | Crushing and Grinding Mill | grinding mills | |
| 475,881 | May 31, 1892 | W. Merrill | Machine for creating wood chips | excelsior machines | |
| 842,681 | Jan. 29, 1907 | G.H. Mayne | Cob Breaker or Crusher | grinding mills | |
| 1,121,684 | Dec. 22, 1914 | O.C. Wysong | Dovetailing-machine | dovetailing machines | |