Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167280 | Method and system for initiating a data transfer in a cellular communications system | Timothy J. Muths | 2000-12-26 |
| 6081706 | Method and system for transmitting data to a mobile communication unit | Timothy J. Muths | 2000-06-27 |
| 5963860 | Method and system for transmitting a data communication from a calling communication unit associated with a wireless communication system to a called communication unit | Timothy J. Muths | 1999-10-05 |
| 5943628 | Radiotelephone proximity detector | Jouko Haavisto, Mika Isotalo | 1999-08-24 |
| 5222137 | Dynamic encryption key selection for encrypted radio transmissions | Kevin M. Laird, Richard E. Murray, James M. O'Connor | 1993-06-22 |
| 5199069 | Automatic encryption selector | Bruce D. Oberlies | 1993-03-30 |
| 5185797 | Encrypted trunked control channel system | Kevin M. Laird, Richard E. Murray, James M. O'Connor | 1993-02-09 |