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| All Patents in class 137/625.11 | |||||
| Picture | Number | Date | Patentee | Title | |
| 2,170,304 | Aug. 22, 1939 | C. Herfurth | Truing Attachment | ||
| 2,388,832 | Nov. 13, 1945 | W.W. Criley | Control Mechanism | ||
| 2,579,879 | Dec. 25, 1951 | B.H. Mosbacher, L.T. Stoyke | Gyratory valve for hydraulic pumps or motors | ||
| 2,617,622 | Nov. 11, 1952 | I.M. White | Axially Movable Rotary Valve | ||
| 2,972,357 | Feb. 21, 1961 | C.S. Gladoske, R.L. Ford | Hydraulic Rotary Selector Valve | ||
![]() | 3,373,449 | Mar. 19, 1968 | E.R. Rusnok | Automatic valve actuated urinal | |