Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287552 | Method for more efficient service request processing | Jian-Cheng Huang | 1994-02-15 |
| 5274842 | Method for more efficient multi transaction data transmission | — | 1993-12-28 |
| 5239680 | Communication system message authentication | Gary W. Grube | 1993-08-24 |
| 5239678 | Method of assigning a control channel as a temporary voice/data channel in a radio communications system | Gary W. Grube, Rafael Diaz, Robert G. Adamczyk, Robin U. Roberts | 1993-08-24 |
| 5235598 | Method for utilizing a control channel for both data and voice | — | 1993-08-10 |
| 5230083 | Method for reducing control channel traffic in a communication system | — | 1993-07-20 |
| 5150361 | Energy saving protocol for a TDM radio | Alfred B. Wieczorek, Alvin Dale Kluesing | 1992-09-22 |
| 5093926 | Trunked communication system scanning method and apparatus | — | 1992-03-03 |
| 5034993 | Method for allocating communication resources among RF communications systems | Arun Sobti | 1991-07-23 |
| 5014345 | Method for dynamically regrouping subscribers on a communications system | Richard A. Comroe, Kenneth J. Zdunek, Daniel J. Coombes, Jaime Andres Borras | 1991-05-07 |
| 4972460 | Automatic equivalent temporary talkgroup assignment in a roaming trunking environment | — | 1990-11-20 |
| 4817190 | Method for dynamically regrouping subscribers on a communications system | Richard A. Comroe, John E. Major, Daniel J. Coombes, Susan M. Whitney, Kenneth J. Zdunek +4 more | 1989-03-28 |
| 4723264 | Signalling method for establishing trunked communication | Kenneth J. Zdunek | 1988-02-02 |
| 4716407 | Trunked communication system true priority channel scan | Jaime Andres Borras | 1987-12-29 |
| 4698805 | Console interface for a trunked radio system | Lewis H. Rosenthal, Donald C. Mills, Russell A. Marten, David J. Kizior, Arun Sobti +1 more | 1987-10-06 |
| 4646345 | Automatic unit ID for quasi-transmission trunked systems | Kenneth J. Zdunek, Bruce D. Heyman | 1987-02-24 |