Patents for Carborundum Co. |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
2,835,083 | May 20, 1958 | L.G. Brown, G. De Mambro | Belt sanding machine | belt sanders |
3,364,626 | Jan. 23, 1968 | W.C. Keyes | Belt sanding and polishing machines | sanding machines |
3,400,493 | Sep. 10, 1968 | W.C. Keyes | Belt sanding and polishing machine | sanding machines |
3,408,775 | Nov. 05, 1968 | R.D. Rutt | Belt sanding and polishing machine | sanding machines |
3,529,384 | Sep. 22, 1970 | F.M. Owrey | Sanding machine | sanding machines |
3,570,190 | Mar. 16, 1971 | R.D. Rutt | Belt sanding and polishing machine | sanding machines |