Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908485 | Acoustic barrier assembly with acoustic seal | Kenneth Ritzema, Michael Demo | 2018-03-06 |
| 9139142 | Three-layer acoustic insulator | Michael Demo | 2015-09-22 |
| 8230969 | Acoustic panels, apparatus and assemblies with airflow-resistive layers attached to sound incident surfaces | Mark Frederick, Michael L. Dinsmore, Richard James Bliton | 2012-07-31 |