| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Stephen Webster | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-7,215 | Mar. 14, 1877 | W.H. Essery | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |
| CA-14,406 | Mar. 13, 1882 | W.H. Essery, S. Webster | Improvement in loose pulleys | industrial machine pulleys and belt drive mechanisms | |