| All Patents in class 451/1 |
Patents 31 -
45
of 55
      |
| Number | Date | Patentee | Title | Type |
| 2,778,170 | Jan. 22, 1957 | E.V. Flanders | Method of Grinding, Including Grinding Wheel Forming | grinder dressers |
| 2,791,871 | May 14, 1957 | A.M. Johnson | Honing machine | honing machines |
| 2,795,088 | Jun. 11, 1957 | R. Bernhard, C.J. Schonhoft | Microcentric Grinder | cylindrical grinders |
| 2,819,566 | Jan. 14, 1958 | A.M. Johnson | Hone expansion control mechanism | honing machines |
| 2,834,160 | May 13, 1958 | G.E. Lillie | Grinding machine | grinders |
| 2,840,956 | Jul. 01, 1958 | C.M. Grinage | Grinding Machine | |
| 2,882,649 | Apr. 21, 1959 | G.L. Grove | Incremental Feed Mechanism | grinding machines |
| 2,912,795 | Nov. 17, 1959 | M.E. Aston, W.F. Jessup | Transfer Mechanism | workpiece changers and storage mechanisms |
| 2,929,172 | Mar. 22, 1960 | J.H. Pasell | Machine for cutting a succession of workpieces to a predetermined size | grinders |
| 2,930,168 | Mar. 29, 1960 | H.E. Luebkemann | Machine Tool Tailstock | cylindrical grinders |
| 2,950,581 | Aug. 30, 1960 | G.S. Butterworth | Gaging Device | electronic gauges |
| 2,969,623 | Jan. 31, 1961 | A.H. Faulhaber, K.D. Mehlhope | Size Gauging Device | centerless grinders |
| 2,986,852 | Jun. 06, 1961 | J.C. Wilson | Grinding machines | surface grinders |
| 2,988,858 | Jun. 20, 1961 | M.M. Bass, R.M. Bell | Grinding machine | |
| 3,046,704 | Jul. 31, 1962 | G.L. Grove, A.H. Dall | Machine Tool Slide and Mounting Thereof | centerless grinders |
