| All Patents in class 451/14 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 1,475,614 | Nov. 27, 1923 | A. Williams | Head adjustment for grinding machines |
| | 1,612,773 | Dec. 28, 1926 | A. Turner | Grinding Machinery |
| | 1,723,852 | Aug. 06, 1929 | F.S. Haas | Grinding Machinery |
| | 1,846,956 | Feb. 23, 1932 | F. Haas, L.F. Nenninger, S. Einstein | Grinding Machinery |
 | 1,866,212 | Jul. 05, 1932 | F.E. Stratton, G.T. Huxford | Grinding machine |
| | 1,938,756 | Dec. 12, 1933 | C. Booth | Grinding Machine |
| | 1,978,110 | Oct. 23, 1934 | B.A. Kearns | Grinding Machinery |
| | 2,085,692 | Jun. 29, 1937 | E.P. Bullard | Tool Slide and Dwell Mechanism |
| | 2,113,287 | Apr. 05, 1938 | W.G. Baldenhofer | Machine for Grinding and Sharpening Broaches |
| | 2,337,223 | Dec. 21, 1943 | J.B. Armitage | Machine Tool Transmission and Control Mechanism |
