Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528559 | Multiple display timepiece | — | 1996-06-18 |
| 4873520 | Paging receiver for storing digitized voice messages | Kenneth D. Fisch, David F. Willard | 1989-10-10 |
| 4644347 | Multiple frequency message system | Jerome C. Leonard | 1987-02-17 |
| 4506384 | Synchronized, multitransmitter, single frequency paging system | — | 1985-03-19 |