Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4531184 | Conversational video system having contact selection control | Jack S. Wigan, John Richards | 1985-07-23 |
| 4388489 | Conversational video system | Jack G. Wigan, John Richards | 1983-06-14 |