| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 474/9 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 591,500 | Oct. 12, 1897 | F. Scheben | Device for Preventing Slipping of Belts | industrial machine pulleys and belt drive mechanisms | |
| 2,853,273 | Sep. 23, 1958 | O.O. Berge | Rope drum device | ||