Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327974 | Sound enhancing apparatus | Harold N. Smith, Jr. | 2012-12-11 |
| 7296653 | Sound control apparatus | Harold N. Smith, Jr. | 2007-11-20 |
| 6349792 | Sound enhancing speaking cabinet for a removable speaker assembly | Harold N. Smith, Jr. | 2002-02-26 |