Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421201 | High efficiency broadband acoustic resonator and absorption panel | Robert K. Kunze, Jr., Robert F. Olsen, Ira B. Rushwald | 1983-12-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421201 | High efficiency broadband acoustic resonator and absorption panel | Robert K. Kunze, Jr., Robert F. Olsen, Ira B. Rushwald | 1983-12-20 |