Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862505 | Audiometer with interactive graphic display for children | Michael S. Parsons, Russell P. Smith, Christopher J. Glenn, Stephen F. Bell | 1989-08-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862505 | Audiometer with interactive graphic display for children | Michael S. Parsons, Russell P. Smith, Christopher J. Glenn, Stephen F. Bell | 1989-08-29 |