Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140419 | Communications system | Russell D. N. Mackinnon, Douglas George Pincock, Frederick A. Reid | 1992-08-18 |
| 4916539 | Communications system having receivers which can be addressed in selected classes | — | 1990-04-10 |
| 4725886 | Communications system having an addressable receiver | Pryce N. Hales, Duane I. Fetters, Roger S. Simister, Nicholas E. Worth, Everett W. Otto, Jr. | 1988-02-16 |