| All Patents in class 82/133 |
Patents 16 -
30
of 41
      |
| Number | Date | Patentee | Title | Type |
| 2,352,183 | Jun. 27, 1944 | E.P. Bullard | Control Mechanism | |
| 2,352,184 | Jun. 27, 1944 | E.P. Bullard | Control Mechanism | |
| 2,410,038 | Oct. 29, 1946 | M.H. Arms, L.J. Barnard | Grinding machines | grinders |
| 2,412,957 | Dec. 24, 1946 | F.A. Barnes | Machine tool control | milling machine accessories |
| 2,422,681 | Jun. 24, 1947 | C. Johnson | Machine tool control | milling machine accessories |
| 2,464,626 | Mar. 15, 1949 | A.P. Waterson | Pilot Operated Servo Valve | metalworking machine mechanisms |
| 2,474,134 | Jun. 21, 1949 | A.P. Waterson | Hydraulic Tool Control Unit | metalworking machine mechanisms |
| 2,505,737 | Apr. 25, 1950 | W.G. Hoelscher | Lubrication of the Ways and Aprons of Lathes | metalworking machine lubrication |
| 2,587,352 | Feb. 26, 1952 | S.F. Manning | Thread-cutting machine having rapid traverse plus positive controlled feed | |
| 2,616,323 | Nov. 04, 1952 | L.A. Leifer | Power Actuated Wrench | metal lathe accessories and attachments |
| 2,627,194 | Feb. 03, 1953 | C.H. Johnson, L.A. Leifer | Profile Turning and Boring Lathe | metal lathes |
| 2,668,557 | Feb. 09, 1954 | W.G. Hoelscher | Conduit System for Machine Tools | metal lathe mechanisms |
| 2,682,748 | Jul. 06, 1954 | W. Ernst | Restrictor Valve for a Servomotor Circuit | hydraulic apparatus |
| 2,720,129 | Oct. 11, 1955 | C.E. Greene, M. De Haas | Machine Tool for Automatic Cycling | automatic lathes |
| 2,882,760 | Apr. 21, 1959 | L.A. Leifer | Infinitey Variable Incremental Feed Control | metalworking speed changing mechanisms |
