Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337976 | Abuse-resistant cast acoustical ceiling tile having an excellent sound absorption value | Thomas M. Mayers, David B. Bitzan | 2012-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337976 | Abuse-resistant cast acoustical ceiling tile having an excellent sound absorption value | Thomas M. Mayers, David B. Bitzan | 2012-12-25 |