| All Patents in class 91/444 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,267,130 | May 21, 1918 | W.B. Burrows, I.L. Skeith | Power Lifting Mechanism for Saw Trimmers | circular saw accessories |
| 1,905,224 | Apr. 25, 1933 | C. Booth, F.S. Haas | Grinding Machinery | grinding machines |
| 2,570,647 | Oct. 09, 1951 | G.A. Cormier | Power Cylinder and Piston With Leakage Control | hydraulic apparatus |
| 2,602,437 | Jul. 08, 1952 | W.L. Tancred | Hydraulic Profiler for Truing Devices and the Like | hydraulic apparatus |
| 3,043,275 | Jul. 10, 1962 | H.W. Reid, Jr. | Device for Control of Fluid Flow Rate | hydraulic apparatus |
