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All Patents in class 91/525 | |||||
Number | Date | Patentee | Title | Type | |
1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism | ||
2,861,606 | Nov. 25, 1958 | M.F. Fish | Remote control set works | sawmill set works |