| All Patents in class 451/14 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 1,475,614 | Nov. 27, 1923 | A. Williams | Head adjustment for grinding machines | surface grinders |
| 1,612,773 | Dec. 28, 1926 | A. Turner | Grinding Machinery | grinding machines |
| 1,723,852 | Aug. 06, 1929 | F.S. Haas | Grinding Machinery | grinding machines |
| 1,846,956 | Feb. 23, 1932 | F. Haas, L.F. Nenninger, S. Einstein | Grinding Machinery | grinding machines |
| 1,866,212 | Jul. 05, 1932 | F.E. Stratton, G.T. Huxford | Grinding machine | surface grinders |
| 1,938,756 | Dec. 12, 1933 | C. Booth | Grinding Machine | grinding machines |
| 1,978,110 | Oct. 23, 1934 | B.A. Kearns | Grinding Machinery | grinding machines |
| 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 | broach sharpening machines |
| 2,337,223 | Dec. 21, 1943 | J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,578,531 | Dec. 11, 1951 | C.H. Drury, E.V. Flanders | Machine for Grinding Impeller Bucket Shanks | profile and contour grinders |
| 2,718,101 | Sep. 20, 1955 | J. Decker, A.D. Stuckey | Automatic Infeed Mechanism for Centerless Grinders | centerless grinders |
| 2,882,649 | Apr. 21, 1959 | G.L. Grove | Incremental Feed Mechanism | grinding machines |
| 3,193,976 | Jul. 13, 1965 | H.E. Luebkemann | Machine Tool Feed System | grinding machines |
| 3,736,703 | Jun. 05, 1973 | W.F. Treder, M.R. Estabrook | Mechanism for expanding a honing tool | honing machines |
