| All Patents in class 451/8 |
Patents 31 -
39
of 39
      |
| Number | Date | Patentee | Title | Type |
| 3,402,513 | Sep. 24, 1968 | H. Maack | Headstock Quill for Cylindrical Grinder | cylindrical grinders |
| 3,422,583 | Jan. 21, 1969 | P.J. Gruber, A.D. Stuckey | Method for Positioning a Roll on a Roll Grinder | roll grinding machines |
| 3,751,860 | Aug. 14, 1973 | J.N. Tittle | Method of Grinding Rolls | cylindrical grinders |
| 3,913,277 | Oct. 21, 1975 | R.P. Lindsay, R.S. Hahn | Grinding Machine | grinding machines |
| 3,916,576 | Nov. 04, 1975 | H.R. Uhtenwoldt, A.T. Blackburn | Grinding Machine | machine tool controls |
| 4,088,856 | May 09, 1978 | L.W. Tebben | Perimeter safety switch mounted to support disposed remote from machine body | sanding machines |
| 4,890,421 | Jan. 02, 1990 | K.S. Barney, W.R. Moore, Jr. | Automatic Measurement System | measuring tools |
| 5,746,644 | May 05, 1998 | C.J. Cheetham | Centerless Grinder Assembly and Method of Operating the Same | centerless grinders |
| 6,227,938 | May 08, 2001 | E. Smith, B.M. Olevskiy, C.J. Cheetham | Guidewire Position Locator | centerless grinders |
