| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 384/388 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 89,652 | May 04, 1869 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys | industrial machine pulleys and belt drive mechanisms | |
| 134,250 | Dec. 24, 1872 | W.W. Carey | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |