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| All Patents in class 192/115 | |||||
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| Number | Date | Patentee | Title | Type | |
| 384,560 | Jun. 12, 1888 | G.W. Bugbee, F. Danner | Counter-shaft | woodworking power transmission | |
| 1,230,128 | Jun. 19, 1917 | H. Dalton | Counter-shaft | industrial machine pulleys and belt drive mechanisms | |