Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851942 | High performance acoustic door | Mike Miller, Thomas E. Harris, Aron Fleischmann | 2023-12-26 |
| 8573357 | Acoustical door | — | 2013-11-05 |
| 6112496 | Metal and wood door with composite perimeter | William S. Hugus | 2000-09-05 |
| 5816017 | Fire retardant door and exit device for same | Larry R. Hunt, Mark Alvin Mason | 1998-10-06 |