Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360091 | Method and apparatus for establishing a communication link | Robert F. D'Avello | 2002-03-19 |
| 6330234 | Method and apparatus for reducing current consumption | Peter A. Tomasi, Tong Zhao, Lindo St. Angel, Dien N. Nguyen, Wayne H. Bradley | 2001-12-11 |
| 6052595 | Method of and apparatus for selecting a communication channel | Robert F. D'Avello | 2000-04-18 |
| 6052592 | Call routing system for a wireless data device | Robert F. D'Avello | 2000-04-18 |
| 5842122 | Apparatus and method for alternative radiotelephone system selection | Robert F. D'Avello, Robert K. Krolopp | 1998-11-24 |
| 5809419 | Method for reducing channel scanning time | Daniel Charles Poppert | 1998-09-15 |
| 5805992 | Method for validating a communication link | — | 1998-09-08 |
| 5701589 | Method for adjusting reference frequencies in a communication system | Steven Lee, Brian Iehl, Omer Manya, Robert F. D'Avello | 1997-12-23 |
| 5574976 | System for scanning channels | — | 1996-11-12 |
| 5542116 | Power saving system for a mobile radio | — | 1996-07-30 |
| 5488649 | Method for validating a communication link | — | 1996-01-30 |
| 5442680 | Dual system cellular cordless radiotelephone apparatus with sub-data channel timing monitor | Stefan G. Littig | 1995-08-15 |
| 5349588 | Error detecting method and apparatus for data communications | — | 1994-09-20 |
| 5260988 | Apparatus and method for alternative radiotelephone system selection | Robert F. D'Avello, Robert K. Krolopp | 1993-11-09 |