| All Patents in class 409/228 |
Patents 31 -
45
of 53
      |
| Number | Date | Patentee | Title | Type |
| 2,085,888 | Jul. 06, 1937 | J.B. Armitage | Machine Tool Transmission and Control | milling machines |
| 2,110,173 | Mar. 08, 1938 | J.B. Armitage, W.M. Pohl | Machine Tool Transmission and Control | milling machines |
| 2,155,864 | Apr. 25, 1939 | A.L. Krause | Milling Machine | milling machines |
| 2,164,884 | Jul. 04, 1939 | E.G. Roehm, L.F. Nenninger | Operating Control Mechanism for Milling Machines | milling machines |
| RE21,434 | Apr. 23, 1940 | J.B. Armitage, W.M. Pohl | Machine Tool Transmission and Control | metalworking machine mechanisms |
| 2,203,743 | Jun. 11, 1940 | F.A. Parsons | Machine Tool Transmission and control | metalworking machine mechanisms |
| 2,209,469 | Jul. 30, 1940 | L.F. Nenninger, E.G. Roehm | Operating Control Mechanism for Milling Machines | milling machines |
| 2,240,973 | May 06, 1941 | J.B. Armitage | Machine Tool Structure and Control Mechanism | milling machines |
| 2,308,708 | Jan. 19, 1943 | F.A. Hassman, L.F. Nenninger | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,338,121 | Jan. 04, 1944 | R.K. Blond, H.C. Kemper | Milling machine transmission and control mechanism | metalworking machine gearing |
| 2,345,171 | Mar. 28, 1944 | T.F. Eserkaln, J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,349,595 | May 23, 1944 | M.E. Martellotti | Machine Tool Control Mechanism | metalworking power transmission |
| 2,497,842 | Feb. 14, 1950 | T.A. Wetzel, T.F. Eserkaln, J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,504,443 | Apr. 18, 1950 | F.A. Hassman, L.F. Nenninger | Milling Machine Transmission and Control | milling machines |
| 2,618,202 | Nov. 18, 1952 | T.F. Eserkaln | Machine Tool Transmission and Control Mechanism | milling machines |
