| All Patents in class 451/52 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 1,708,491 | Apr. 09, 1929 | C.R. Alden | Method of finishing ball bearings |
| | 1,779,467 | Oct. 28, 1930 | S. Einstein | Process of Grinding |
 | 1,880,347 | Oct. 04, 1932 | K.L. Herrmann | Method of Grinding Bearing Races |
 | 2,036,658 | Apr. 07, 1936 | B.F. Stowell | Automatic grinding machine |
 | 2,460,472 | Feb. 01, 1949 | H.N. Seyferth | Process for improving the surface of form ground races |
| | 2,652,663 | Sep. 22, 1953 | E.C. Taylor | Method and apparatus for compensating for grinding wheel wear |
| | 3,386,317 | Jun. 04, 1968 | R.C. Greathouse, C.N. Flick | Bore Machining Mechanism |
| | 3,977,126 | Aug. 31, 1976 | E.E. Woldyka, F.A. Hohler | Grinding Machine |
