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| All Patents in class 192/63 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,099,520 | Jun. 09, 1914 | D.T. Brownlee, F.W. Spacke, W. Spacke | Change-Speed Gearing | speed gearing and transmissions | |
| 2,409,775 | Oct. 22, 1946 | A.W. Mall | Chain-saw machine | handheld chainsaws | |