| All Patents in class 451/311 |
Patents 76 -
90
of 102
      |
| Number | Date | Patentee | Title | Type |
| 2,747,421 | May 29, 1956 | O. Thiel | Belt arm attachment | belt sanders |
| 2,757,490 | Aug. 07, 1956 | H. Whitesell, M. Matheu | Band type metal finishing and grinding machines, and the like | belt sanders |
| 2,780,033 | Feb. 05, 1957 | C.W. Albright | Offhand spool sanding machine | belt sanders |
| 2,791,070 | May 07, 1957 | L. Schaller | Abrading machine | sanding machines |
| 2,804,726 | Sep. 03, 1957 | G.W. Johnson | Backstand idler | polishing machines |
| 2,813,382 | Nov. 19, 1957 | R.F. Pendergast | Sanding machine having means for preventing belt creeping | sanding machines |
| 2,835,083 | May 20, 1958 | L.G. Brown, G. De Mambro | Belt sanding machine | belt sanders |
| 2,857,717 | Oct. 28, 1958 | J.W. Edgemond, Jr., J.J. O'Connor | Belt sander | belt sanders |
| 2,893,176 | Jul. 07, 1959 | J.P. Bruck | Power surfacing means | handheld power sanders |
| 2,898,712 | Aug. 11, 1959 | N.E. O'Connor | Work tool | handheld power sanders |
| 2,900,766 | Aug. 25, 1959 | P.J. Robischung | Machine tool | belt sanders |
| 2,963,831 | Dec. 13, 1960 | G.J. Voelz | Sanding machine | belt sanders |
| 3,132,451 | May 12, 1964 | J.A. Kile | Abrading machine | |
| 3,153,306 | Oct. 20, 1964 | P.J. Robischung | Belt abrader | |
| 3,176,436 | Apr. 06, 1965 | N.T. Anton | Electric belt sander | handheld power sanders |
