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| All Patents in class 474/122 | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,304 | May 28, 1867 | L. Tilton | Improvement in device for transmitting motion | woodworking machine mechanisms | |
| 158,173 | Dec. 29, 1874 | C.H. Hill, A.W. Proctor | Improvement in belt-shifters | cutter grinding | |
| 415,268 | Nov. 19, 1889 | F. Hart | Counter-shaft | industrial machine mechanisms | |
| 579,100 | Mar. 16, 1897 | F. Taylor | Belt Shifter | industrial machine pulleys and belt drive mechanisms | |