| All Patents in class 451/22 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 1,872,667 | Aug. 23, 1932 | W.J. Bryant | Work sizing | grinders |
| 1,993,830 | Mar. 12, 1935 | R.E. Conover | Grinding Machine | grinding machines |
| 2,584,499 | Feb. 05, 1952 | R.S. Pyne | Apparatus for precision bore grinding | grinders |
| 2,652,663 | Sep. 22, 1953 | E.C. Taylor | Method and apparatus for compensating for grinding wheel wear | grinders |
| 2,949,708 | Aug. 23, 1960 | G.S. Butterworth, J.G. Wiatt | Gage Head for In-Process Gaging in Machine Tool | electronic gauges |
| 2,950,581 | Aug. 30, 1960 | G.S. Butterworth | Gaging Device | electronic gauges |
| 3,691,698 | Sep. 19, 1972 | R.L. Schaller | Abrasive element dimension sensing mechanism | sanding machines |
| 4,676,030 | Jun. 30, 1987 | H.W. Lawson, Jr. | Apparatus and Method for Detecting a Tool Edge | electronic gauges |
