Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684859 | Method and apparatus for downloading location specific information to selective call receivers | Keith A. Chanroo | 1997-11-04 |
| 5644743 | Hybrid analog-digital phase error detector | Raymond Louis Barrett, Jr., Barry W. Herold, Grazyna A. Pajunen | 1997-07-01 |
| 5638054 | Paging receiver with modifiable features or functions | Kuppuswamy Raghunathan | 1997-06-10 |