Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36458 | Patterned heat welding rod for seaming resilient flooring | Edwin J. Quinn, Richard M. Ringer, Michael E. Buckwalter | 1999-12-21 |
| 5635266 | Patterned heat welding rod for seaming resilient flooring | Edwin J. Quinn, Richard M. Ringer, Michael E. Buckwalter | 1997-06-03 |