Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634192 | Mobile-assisted handoff technique | Donald V. Hanley, Larry D. Chrisman, Michael J. McCarthy | 1997-05-27 |
| 5600708 | Over the air locking of user identity modules for mobile telephones | Ahti Vaisanen | 1997-02-04 |