Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658235 | Video otoscope and optical lens system therefor | Donald A. Carignan | 1997-08-19 |
| 5046163 | Hand held internally illuminated video reading aid | Orion T. Ayer, Jr. | 1991-09-03 |