Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412217 | Pager with visible display indicating status of memory | David F. Willard | 1983-10-25 |
| 4385295 | Pager with visible display indicating unread messages | David F. Willard | 1983-05-24 |