Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985468 | Foam ear plug or earpiece utilizing recycled pulverized polyurethane foam | Stephen D. Gilder, Jim Tiemens | 2011-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985468 | Foam ear plug or earpiece utilizing recycled pulverized polyurethane foam | Stephen D. Gilder, Jim Tiemens | 2011-07-26 |