| All Patents in class 91/37 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 3,194,535 | Jul. 13, 1965 | W.I. Evans | Valve for Pattern Controlled Machine | hydraulic apparatus |
| 3,238,621 | Mar. 08, 1966 | E.P. Bullard, III | Program Control | |
| 3,238,622 | Mar. 08, 1966 | E.P. Bullard, III | Program Control | |
| 3,269,013 | Aug. 30, 1966 | E.P. Bullard, III | Program Control | |
| 3,298,283 | Jan. 17, 1967 | E.P. Bullard, III | Fluid Transmission System | |
| 3,335,525 | Aug. 15, 1967 | A.A. Muehling | Hydraulic system for grinding machines | |
| 3,583,281 | Jun. 08, 1971 | J.C. Le Veque, M.R. Hicks | Programmable Fluidic Control System for Machine Tools | machine tool controls |
