| All Patents in class 91/36 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 2,453,868 | Nov. 16, 1948 | R.M. Shaw, Jr. | Apparatus for Automatically Bending Work Such as Tubing Into Serpentine Coils | metal bending machines |
| 2,473,572 | Jun. 21, 1949 | E.A. Ruchty, N.D. Cooper | Magnetic Servo Operator | metalworking machine mechanisms |
| 2,500,933 | Mar. 21, 1950 | L.A. Dailey | Control device for machine tools | wood drilling and boring |
| 2,706,892 | Apr. 26, 1955 | A.H. Dall, H. Fritschi | Tracer Control Circuit for Pattern Controlled Machines | profiling machines |
| 2,713,246 | Jul. 19, 1955 | H. Fritschi, A.H. Dall | Tracer Control Mechanism Having Independent Rate and Direction Control | profiling machines |
| 2,730,129 | Jan. 10, 1956 | H. Fritschi, A.H. Dall | Tracer Control Mechanism | |
| 2,951,193 | Aug. 30, 1960 | J.A. Rave, Jr. | Slowdown Control for Servosystem Circuit | profiling machines |
| 2,951,342 | Sep. 06, 1960 | H.E. Boyer, N.V. Gusching, W.H. Ulman, D.E. Lundeen | Electro-hydraulic servo system | |
| 2,972,868 | Feb. 28, 1961 | B. Sassen | Machine tool slide control | |
| 3,084,899 | Apr. 09, 1963 | C.L. Gschwind, L.A. Dever | Manual Three Direction Tracer | hydraulic apparatus |
| 3,286,599 | Nov. 22, 1966 | W.I. Evans | Tracing Mechanism for Amplified Flow | form producing lathes |
| 3,538,813 | Nov. 10, 1970 | T.E. Clyce, J.Y. Cromeens | Remote control system | woodworking machine mechanisms |
