| All Patents in class 192/18A |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 2,185,096 | Dec. 26, 1939 | R.B. Treer | Press | stamping presses |
| 2,436,968 | Mar. 02, 1948 | W.F. Longfield | Combined clutch and brake | stamping presses |
| 2,441,543 | May 11, 1948 | W.F. Longfield | Combined clutch and brake | stamping presses |
| 2,734,609 | Feb. 14, 1956 | R.C. Fritzsch | Pneumatic clutch control | sheet metal brakes |
| 2,862,589 | Dec. 02, 1958 | F.B. Porteous, J.A. Foster | Friction drive mechanism | industrial machine clutches |
| 3,089,572 | May 14, 1963 | C. Herfurth | Machine Tool System Control Mechanism | milling machines |
| 3,155,007 | Nov. 03, 1964 | C. Herfurth, L.A. Dever | Automatic Machine Tool Control Mechanism | milling machines |
