Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692054 | Multiple source self noise cancellation | Dexter Smith | 1997-11-25 |
| 5638456 | Piezo speaker and installation method for laptop personal computer and other multimedia applications | John K. Conley, William Kokonaski, Steven L. Machacek | 1997-06-10 |