| All Patents in class 451/9 |
Patents 16 -
20
of 20
      |
| Number | Date | Patentee | Title | Type |
| 3,263,374 | Aug. 02, 1966 | P.J. Gruber, A.D. Stuckey | Roll Grinder Comparator Gauge | roll grinding machines |
| 4,676,030 | Jun. 30, 1987 | H.W. Lawson, Jr. | Apparatus and Method for Detecting a Tool Edge | electronic gauges |
| 4,704,825 | Nov. 10, 1987 | W.R. Moore | Method for Automatically Sizing a Ground Surface on a Workpiece | electronic gauges |
| 6,010,394 | Jan. 04, 2000 | J.H. Dieck, R.K. Rosenquist | Automatic mower reel grinder | |
| 6,290,581 | Sep. 18, 2001 | J.H. Dieck, R.K. Rosenquist | Automatic mower reel grinder | |
