| All Patents in class 451/142 |
Patents 16 -
26
of 26
      |
| Number | Date | Patentee | Title | Type |
| 2,010,557 | Aug. 06, 1935 | W. Peasler, L.F. Nenninger | Machine Tool Structure | grinding machines |
| 2,065,151 | Dec. 22, 1936 | E.G. Roehm, L.F. Nenninger, W. Peaslee | Grinding Machine | grinding machines |
| 2,170,494 | Aug. 22, 1939 | A.H. Dall, H. Ernst | Grinding Machine | grinding machines |
| 2,466,123 | Apr. 05, 1949 | J.J. Osplack | Method of making spindle bearings | metalworking machine bearings |
| 2,622,376 | Dec. 23, 1952 | A.H. Dall | Grinding Machine | grinding machines |
| 3,089,293 | May 14, 1963 | M.V. Waters, G.W. Marshall, W.A. Hoier | Automatic Control Mechanism for Roll Grinder | roll grinding machines |
| 3,187,468 | Jun. 08, 1965 | R. Grzymek | Roll Grinding Machine | roll grinding machines |
| 3,263,374 | Aug. 02, 1966 | P.J. Gruber, A.D. Stuckey | Roll Grinder Comparator Gauge | roll grinding machines |
| 3,290,833 | Dec. 13, 1966 | J.R. Baker | Positional Adjusting Mechanism | roll grinding machines |
| 3,456,394 | Jul. 22, 1969 | R.J. Welsh | Grinding machines | |
| 3,660,944 | May 09, 1972 | E. Warburton, B.R. Bottomley, J.N. Tittle | Grinding Machines | grinding machines |
