| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 403/11 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 76,680 | Apr. 14, 1868 | S. Wheeler | Improvement in pulleys and gearing for machinery | industrial machine pulleys and belt drive mechanisms | |
| 1,273,724 | Jul. 23, 1918 | J.D. Boughner | Drill Rod Connection | ||