Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36458 | Patterned heat welding rod for seaming resilient flooring | Manuel A. Velez, Richard M. Ringer, Michael E. Buckwalter | 1999-12-21 |
| 5635266 | Patterned heat welding rod for seaming resilient flooring | Manuel A. Velez, Richard M. Ringer, Michael E. Buckwalter | 1997-06-03 |
| 5108094 | Comfort cushion for floors | William E. Irwin, Thomas Downey | 1992-04-28 |