Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164408 | Plenum mounted, flat panel masking loudspeaker system and method for mounting a masking loudspeaker in a ceiling plenum | Thomas J. Johnson, Joseph A. Ferrante | 2000-12-26 |
| 5561717 | Loudspeaker system | — | 1996-10-01 |
| 5206464 | Loudspeaker mounting assembly | S. Richard Hrach, Jr. | 1993-04-27 |