Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804891 | Battery saving switching mechanism | Douglas H. Marman, Brian B. Walch | 1998-09-08 |
| 5153579 | Method of fast-forwarding and reversing through digitally stored voice messages | James G. Mittel, Winfield J. Brown, Jr. | 1992-10-06 |
| 4949085 | Prioritization of stored messages in a digital voice paging receiver | Walter L. Davis | 1990-08-14 |
| 4873520 | Paging receiver for storing digitized voice messages | Alfred R. Lucas, David F. Willard | 1989-10-10 |