Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361459 | Tensioner | Alexander Serkh, Andrzej Dec | 2002-03-26 |
| 4886484 | Torsional spring tensioner with stabilizer | — | 1989-12-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361459 | Tensioner | Alexander Serkh, Andrzej Dec | 2002-03-26 |
| 4886484 | Torsional spring tensioner with stabilizer | — | 1989-12-12 |