Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437542 | Acoustical wall panel and mounting system | Raymond W. Yeager | 1984-03-20 |
| D263424 | Acoustical ceiling panel | — | 1982-03-16 |
| D261435 | Acoustical ceiling panel | Jared R. Kies | 1981-10-20 |
| D259594 | Embossed plastic sheet material | — | 1981-06-16 |