Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151501 | Method and apparatus for alerting a communication unit of a service request in a communication system | Anatoly S. Belkin, Ralph G. Riley, Kamala D. Urs | 2000-11-21 |
| 6148064 | Method and apparatus for alerting a communication unit in a communication system | Laura A. Christensen, Kamala D. Urs, Anatoly S. Belkin, Jay R. Krebs, Sikendar Fidai | 2000-11-14 |
| 6081707 | Method and apparatus for forwarding a dispatch communication in a communication system | Laura A. Christensen, Kamala D. Urs, Anatoly S. Belkin | 2000-06-27 |
| 5003617 | Simulcast broadcasting system and method | Paul M. Erickson, Paul J. Cizek, Christopher H. Wilson | 1991-03-26 |
| 4775847 | Tunable resonant cavity filter structure with enhanced ground return | Terry K. Mansfield, Anthony M. Pirih, Scott J. Propp, Thomas L. Spicer | 1988-10-04 |
| 4490684 | Adaptive quadrature combining apparatus | Paul H. Gailus | 1984-12-25 |
| 4475092 | Absorptive resonant cavity filter | Richard S. Kommrusch | 1984-10-02 |
| 4442416 | Variable impedance synthesis apparatus | Paul H. Gailus, Anthony P. van den Heuvel | 1984-04-10 |
| 4430619 | Adaptive radio frequency intermodulation minimizing apparatus | Paul H. Gailus, Anthony P. van den Heuvel | 1984-02-07 |
| 4383334 | Intermodulation cancelling mixer | — | 1983-05-10 |