| All Patents in class 451/334 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 344,777 | Jun. 29, 1886 | G.M. Griswold | Automatic Metal Grinding Machine | cylindrical grinders |
| 763,315 | Jun. 21, 1904 | J.M. Nash | Machine for reducing wood or other material | |
| 1,814,361 | Jul. 14, 1931 | C. Booth | Grinding Machinery | grinding machines |
| 1,814,362 | Jul. 14, 1931 | C. Booth | Centerless Grinding Machinery | grinding machines |
| 1,843,079 | Jan. 26, 1932 | C. Booth | Grinding Machinery | grinding machines |
| 1,904,642 | Apr. 18, 1933 | C.G. Hunt | Grinding Machine | grinding machines |
| 1,976,109 | Oct. 09, 1934 | W.D. Archea | Grinding Machine | grinding machines |
| 1,991,958 | Feb. 19, 1935 | M. Romaine | Grinding Machine | grinding machines |
| 2,002,938 | May 28, 1935 | L.A. Dumser, O.W. Floody | Machine tool | |
| 2,111,784 | Mar. 22, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,601,811 | Jul. 01, 1952 | F.R. Swanson, W.S. Swanson, R.E. Wiley | Machine tool | |
| 2,623,429 | Dec. 30, 1952 | H.J. Siekmann, W.R. Meyer | Work Handling Appparatus for Machine Tools | metalworking machine mechanisms |
| 2,731,774 | Jan. 24, 1956 | W.L. Davis, E.J. Sieber, Jr. | Centerless Grinding Machine with Work Rotating and Feeding Support | centerless grinders |
| 3,071,898 | Jan. 08, 1963 | G.L. Grove | Centerless Grinder Infeed Workrest and Ejector Mechanism | metalworking machine mechanisms |
| 3,127,716 | Apr. 07, 1964 | R.D. Peters, J.F. Uckotter | Machine Tool Loader | workpiece changers and storage mechanisms |
