Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985911 | Conversational video phone | Lawrence D. Emmons, James S. Mackley, David Stokes, Rudolph S. Stefenel, Michael A. Cooper-Hart | 1991-01-15 |
| 4932047 | Conversational video phone | Lawrence D. Emmons, James S. Mackley, David Stokes, Rudolph S. Stefenel, Michael A. Cooper-Hart | 1990-06-05 |