Patents for Elmer C. Schacht |
Patents 1 -
10
of 11
      |
Picture | Number | Date | Patentee | Title |
 | 1,693,163 | Nov. 27, 1928 | E.C. Schacht | Disk sanding mechanism |
 | 1,736,056 | Nov. 19, 1929 | E.C. Schacht | Abrading device |
 | 1,854,071 | Apr. 12, 1932 | E.C. Schacht | Method of manufacturing abrasives |
 | 2,027,307 | Jan. 07, 1936 | E.C. Schacht | Method of coating and apparatus therefor and product |
| 2,027,308 | Jan. 07, 1936 | E.C. Schacht | Manufacture of abrasive articles |
| 2,027,309 | Jan. 07, 1936 | E.C. Schacht | Abrasive material |
 | 2,082,182 | Jun. 01, 1937 | E.C. Schacht | Manufacture of abrasive articles |
 | RE20,660 | Feb. 22, 1938 | E.C. Schacht | Method of coating and apparatus therefor and product |
 | 2,245,301 | Jun. 10, 1941 | E.C. Schacht | Manufacture of abrasive articles |
 | 2,997,819 | Aug. 29, 1961 | E.C. Schacht | Abrasive disc |