| All Patents in class 451/65 |
Patents 31 -
44
of 44
      |
| Number | Date | Patentee | Title | Type |
| 1,914,280 | Jun. 13, 1933 | H.L. Myers | Edging attachment for drum sanding machines | sanding machines |
| 2,052,031 | Aug. 25, 1936 | W.J. Merrigan | Combination grinder and sander | sanding machines |
| 2,063,659 | Dec. 08, 1936 | J.E. Caster, C. Booth | Internal Grinding Fixture | grinding machines |
| 2,287,085 | Jun. 23, 1942 | H.J. Caldwell | Honing machine | honing machines |
| 2,332,421 | Oct. 19, 1943 | E. Wildhaber | Method And Machine For Relieving Cutters | metal relieving machines |
| 2,363,039 | Nov. 21, 1944 | W.G. Baldenhofer | Surface Grinder with Auxiliary Spindles | surface grinders |
| 2,368,315 | Jan. 30, 1945 | E.D. Vancil, L.E. Mehlhope | Grinding Machine | cylindrical grinders |
| 2,371,582 | Mar. 13, 1945 | R.V. Hanchett | Grinding apparatus | grinders |
| 2,561,936 | Jul. 24, 1951 | E.L. McFerren | Way Grinding Machine | surface grinders |
| 2,780,033 | Feb. 05, 1957 | C.W. Albright | Offhand spool sanding machine | belt sanders |
| 2,841,926 | Jul. 08, 1958 | W.A. Lebus | Knife Sharpener Casing | sharpening apparatus |
| 2,912,795 | Nov. 17, 1959 | M.E. Aston, W.F. Jessup | Transfer Mechanism | workpiece changers and storage mechanisms |
| 3,363,366 | Jan. 16, 1968 | M.R. Estabrook | Abrading machine | |
| 5,505,655 | Apr. 09, 1996 | L.C. Brickner, X. Lei, J.L. Haffely | Adjustable tool platform and an abrading machine including the same | |
