Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6122525 | International mobile station identification method and signaling system for cellular radiotelephones and systems | Anthony E. Akers | 2000-09-19 |
| 5901357 | Frequency allocation for subscribers of multiple telephone systems having frequency sharing | Robert F. D'Avello | 1999-05-04 |
| 5848072 | Method of and apparatus for communicating messages | Mark E. Prill | 1998-12-08 |
| 5842122 | Apparatus and method for alternative radiotelephone system selection | Michael J. Schellinger, Robert F. D'Avello | 1998-11-24 |
| 5809421 | Method for locating variable control channels by a mobile station in a radiotelephone system | Keith Manssen | 1998-09-15 |
| 5699408 | International mobile station identification method and signaling system for cellular radiotelephones and systems | Anthony E. Akers | 1997-12-16 |
| 5524278 | Method and apparatus for determining a serving communication system where communication systems operate conjunctively | James M. Williams, Robert F. D'Avello | 1996-06-04 |
| 5463646 | Method for error correction of a transmitted data word | Thomas M. Dillon, Michael P. Metroka | 1995-10-31 |
| 5384825 | Method for memory dialing for cellular telephones | Pamela A. Dillard, Alisa C. Chan | 1995-01-24 |
| 5260988 | Apparatus and method for alternative radiotelephone system selection | Michael J. Schellinger, Robert F. D'Avello | 1993-11-09 |
| 5241548 | Method for error correction of a transmitted data word | Thomas M. Dillon, Michael P. Metroka | 1993-08-31 |
| 5175759 | Communications device with movable element control interface | Michael P. Metroka | 1992-12-29 |
| 5148471 | Communications device with voice recognition and movable element control interface | Michael P. Metroka | 1992-09-15 |
| 5036532 | Portable telephone with power source/mode change during calls | Michael P. Metroka, Thomas J. Walczak | 1991-07-30 |
| 5020091 | Automatic new radiotelephone system registration notification | Jeffery L. Mullins, Thomas J. Auchter | 1991-05-28 |
| 4905301 | Selective system scan for multizone radiotelephone subscriber units | Thomas J. Auchter, Jeffery L. Mullins | 1990-02-27 |
| 4811377 | Secure transfer of radio specific data | Thomas J. Auchter, Gary J. Pregont, Ezzat A. Dabbish | 1989-03-07 |