| All Patents in class 451/364 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,723,852 | Aug. 06, 1929 | F.S. Haas | Grinding Machinery | grinding machines |
| 2,053,177 | Sep. 01, 1936 | W.L. Bower | Work holder | magnetic chucks |
| 2,113,287 | Apr. 05, 1938 | W.G. Baldenhofer | Machine for Grinding and Sharpening Broaches | broach sharpening machines |
| 2,309,620 | Jan. 26, 1943 | J.Y. Blazek, V.R. Roy, G.E. Sears | Grinding jig | brake maintenance |
| 2,710,501 | Jun. 14, 1955 | H.E. Hull | Method and apparatus for producing saw blades | making sawblades |
| 2,718,101 | Sep. 20, 1955 | J. Decker, A.D. Stuckey | Automatic Infeed Mechanism for Centerless Grinders | centerless grinders |
| 2,829,470 | Apr. 08, 1958 | A.M. Johnson | Machine for finishing holes in irregular workpieces | |
| 2,842,906 | Jul. 15, 1958 | R.D. Ryan, L.E. Carter | Work Holder for Lapping Machine | lapping machines |
| 5,807,162 | Sep. 15, 1998 | A.P. Dana | Grinding Apparatus, and Process for the Operation Thereof | surface grinders |
| 6,878,049 | Apr. 12, 2005 | R.A. Heidelberger, B.D. Decker | Random orbital sander | handheld power sanders |
