Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250009 | Belt tensioner and method of making the same | John N. Sidwell | 1993-10-05 |
| 5149306 | Belt tensioner and method of making the same | John N. Sidwell | 1992-09-22 |
| 5057059 | Belt tensioner and method of making the same | John N. Sidwell | 1991-10-15 |
| 4971589 | Belt tensioner and method of making the same | John N. Sidwell | 1990-11-20 |