| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 427/474 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 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 | ||
| 2,082,182 | 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 | ||