Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716408 | Data transmission system of the star type with enablement passing | Donald Bell, Trevor R. Fox, Paul Townsend | 1987-12-29 |
| 4622550 | Data communication system | Donald Bell, Stuart L. Dean | 1986-11-11 |