Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $11,903,000 |
| 5108094 | Comfort cushion for floors | William E. Irwin, Thomas Downey | 1992-04-28 | $10,496,000 |