Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985911 | Conversational video phone | Lawrence D. Emmons, David Stokes, Rudolph S. Stefenel, William E. Brisko, Jr., Michael A. Cooper-Hart | 1991-01-15 |
| 4943994 | Still picture picturephone communications system | Hiroshi Ohtsuka, Yutaka Ueno, Lawrence D. Emmons | 1990-07-24 |
| 4932047 | Conversational video phone | Lawrence D. Emmons, David Stokes, Rudolph S. Stefenel, William E. Brisko, Jr., Michael A. Cooper-Hart | 1990-06-05 |
| 4715059 | Conversational video phone | Michael A. Cooper-Hart, Lawrence D. Emmons, David Stokes | 1987-12-22 |