| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 474/248 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 688,718 | Dec. 10, 1901 | G.F. Conner | Drive Belt for Variable Speed Gearing | industrial machine pulleys and belt drive mechanisms | |