Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725968 | Acoustic door assembly with continuous cam hinge | Grant S. Quam, Thomas A. Dettmann | 2004-04-27 |
| 6520288 | Acoustic door assembly | Grant S. Quam, Thomas A. Dettmann | 2003-02-18 |