| All Patents in class 451/297 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 3,538,650 | Nov. 10, 1970 | A. Pollak | Belt sanders | sanding machines |
| 3,577,684 | May 04, 1971 | J. Zigmant | Abrading machine with steering roll and tensioned abrading belt | |
| 3,665,650 | May 30, 1972 | W.C. Przygocki | Abrasive belt control apparatus and method | sanding machines |
| 3,971,166 | Jul. 27, 1976 | G.E. Habeck, F.W. Kiser | Belt position sensor for wide belt sanding machine | belt sanders |
| 4,187,645 | Feb. 12, 1980 | F.W. Lind | Reactive system for accommodating belt stretch and tracking | belt sanders |
| 4,267,671 | May 19, 1981 | R. Rettew | Positioning Of An Abrasive Belt On A Grinding Machine | surface grinders |
| 4,407,096 | Oct. 04, 1983 | C.I. Steinback | Method and apparatus for surface grinding | sanding machines |
