Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885577 | Paging system for providing a data message and a voice message to a unique address of a paging receiver | — | 1989-12-05 |
| 4868563 | Microcomputer controlled display backlight | Mark T. Stair | 1989-09-19 |
| 4814763 | Paging terminal apparatus with page forwarding capability and methodology thereof | Victoria A. Leonardo, Walter J. Grandfield | 1989-03-21 |