| All Patents in class 451/311 |
Patents 46 -
60
of 102
      |
| Number | Date | Patentee | Title | Type |
| 2,452,205 | Oct. 26, 1948 | H.S. Newton | Belt sander | sanding machines |
| 2,452,206 | Oct. 26, 1948 | H.S. Newton | Sanding machine | belt sanders |
| 2,463,287 | Mar. 01, 1949 | E.C. Krueger | Grinding or polishing machine | belt sanders |
| 2,470,615 | May 17, 1949 | L.V. Grover | Sander | belt sanders |
| 2,479,506 | Aug. 16, 1949 | A.L. Payton | Molding sander | belt sanders |
| 2,479,536 | Aug. 16, 1949 | J.A. Elmes | Grinding apparatus of the abrasive belt type | metal sanding machines |
| 2,483,720 | Oct. 04, 1949 | E.M. Asbury | Portable belt type sanding device | handheld power sanders |
| 2,489,811 | Nov. 29, 1949 | H.C. Perkins | Belt polishing and grinding machine | sanding machines |
| 2,507,372 | May 09, 1950 | A.N. Emmons | Belt grinding and polishing device | sanding machines |
| 2,507,677 | May 16, 1950 | J.F. Harper, P.R. Nickerson, C.I. Packer | Polishing machine | belt sanders |
| 2,532,500 | Dec. 05, 1950 | L.D. Jansen | Belt grinder and polisher | belt sanders |
| 2,532,981 | Dec. 05, 1950 | C.V. Wolfe | Chain saw frame | other wood sawing machines |
| 2,538,044 | Jan. 16, 1951 | E.C. Ruehle | Belt sander attachment for power tools | belt sanders |
| 2,560,102 | Jul. 10, 1951 | J.E. Guinn | Sander | handheld power sanders |
| 2,561,589 | Jul. 24, 1951 | H.S. Newton | Swing sander | belt sanders |
