Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793398 | Low spring rate multi-convoluted collapsible spacer | Thomas L. Nahrwold, Patrick Ballinger, Robert W. Sullivan | 2004-09-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793398 | Low spring rate multi-convoluted collapsible spacer | Thomas L. Nahrwold, Patrick Ballinger, Robert W. Sullivan | 2004-09-21 |