Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985468 | Foam ear plug or earpiece utilizing recycled pulverized polyurethane foam | Jim Tiemens, Larry Sanders | 2011-07-26 |
| 7875343 | Anti-microbial carpet underlay and method of making | Martin Lovato, William Griggs | 2011-01-25 |