| All Patents in class 192/142R |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 2,192,437 | Mar. 05, 1940 | W.F. Groene, H.J. Siekmann | Spindle control mechanism | metal lathes |
| 2,267,559 | Dec. 23, 1941 | S.A. Foster | Gauge | measurement gauges |
| 2,290,590 | Jul. 21, 1942 | W. Trible, A.H. Hawley, Sr. | Indexing Mechanism | indexers and dividers |
| 2,352,183 | Jun. 27, 1944 | E.P. Bullard | Control Mechanism | |
| 2,354,010 | Jul. 18, 1944 | H.J. Siekmann, W.F. Groene | Spindle Control Mechanism | machine tool controls |
| 2,427,493 | Sep. 16, 1947 | E.P. Bullard | Control Mechanism | |
| 2,528,736 | Nov. 07, 1950 | E.P. Bullard, III | Control Mechanism | |
| 2,540,573 | Feb. 06, 1951 | C.E. Greene, R.B. Evans | Power Actuated Gear Shifter | metalworking variable speed mechanisms |
| 2,545,782 | Mar. 20, 1951 | A.C. Hugin | Micrometric Insulation Tester | measurement gauges |
| 2,575,792 | Nov. 20, 1951 | R.D. Bullard, J.H. Sherwood, P.M. Geist | Control Mechanism | |
| 2,712,274 | Jul. 05, 1955 | C.M. Hajewski | Two Spindle Milling Machine | milling machines |
| 2,767,598 | Oct. 23, 1956 | F.G. Burg | Speed control system for machine tools | drill presses |
| 2,831,361 | Apr. 22, 1958 | J.C. Hollis | Machine Tool Feed Transmission and Controls Therefor | tool changers and storage mechanisms |
| 2,882,476 | Apr. 14, 1959 | T.A. Wetzel | Motor Control System | milling machines |
| 2,886,155 | May 12, 1959 | R.W. Hadley | Press control circuit | metalworking presses |
