Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315235 | Roll tensioner | Douglas L. Harb, Thomas Michael Zevin, Alexander Peter | 2001-11-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315235 | Roll tensioner | Douglas L. Harb, Thomas Michael Zevin, Alexander Peter | 2001-11-13 |