| All Patents in class 451/913 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 392,814 | Nov. 13, 1888 | J.H. McCully | Process of finishing ladder-rails | specialty woodworking machines |
| 1,289,924 | Dec. 31, 1918 | A.J. Sanford | Knob Grinding Machine | |
| 2,111,271 | Mar. 15, 1938 | L.F. Nenninger | Apparatus for Lapping | lapping machines |
| 2,269,556 | Jan. 13, 1942 | J.A. St. Clair | Method for grinding saws | making sawblades |
| 2,554,079 | May 22, 1951 | J.C. Wilson | Method and Apparatus for Continuous Form Grinding | surface grinders |
| 2,585,990 | Feb. 19, 1952 | W.G. Baldenhofer | Method of grinding intricate contours | profile and contour grinders |
| 2,641,874 | Jun. 16, 1953 | R.G. Kirby | Grinding Machine | cam grinding machines |
| 2,709,324 | May 31, 1955 | H.E. Hull | Method and apparatus for producing saw blades | making sawblades |
| 2,750,718 | Jun. 19, 1956 | S.G. Brady | Method and Apparatus for Grinding Inner Side Faces of Channel Members | grinding attachments |
| 2,938,312 | May 31, 1960 | A.W. Mall | Method of fabricating chain saw guide bars | handheld chainsaws |
