Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053878 | Auditory and tactile feedback system for promoting development of individuals | Linda J. Ferrier | 2000-04-25 |
| 5260869 | Communication and feedback system for promoting development of physically disadvantaged persons | Linda J. Ferrier | 1993-11-09 |