| All Patents in class 29/DIG.088 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 544,439 | Aug. 13, 1895 | A.B. Landis | Grinding-machine | grinders |
| 640,669 | Jan. 02, 1900 | A.B. Landis | Grinding-machine | grinders |
| 856,662 | Jun. 11, 1907 | G.W. Smith | Face-mill grinder | tool grinders |
| 986,688 | Mar. 14, 1911 | P. Catucci | Hob-grinding machine | hob grinding machines |
| 1,016,585 | Feb. 06, 1912 | P.A. Solem | Grinding-machines | sharpening machines |
| 1,207,535 | Dec. 05, 1916 | F.E. Gardner | Disk grinder | disk sanders |
| 1,971,790 | Aug. 28, 1934 | A.W. Mall | Portable power tool | |
| 2,340,553 | Feb. 01, 1944 | W.F. Obear, E.F. Obear | Abrasive cutoff machine | metal cutting circular saws |
| 2,527,003 | Oct. 24, 1950 | A.N. Emmons | Grinding machine | sanding machines |
| 2,562,229 | Jul. 31, 1951 | R.M. Bell | Belt grinding machine | sanding machines |
