Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6119022 | System for alerting portable communication device user of incoming call | William R. Osborn | 2000-09-12 |
| 6115394 | Methods, apparatus and computer program products for packet transport over wireless communication links | Kumar Balachandran, Havish Koorapaty | 2000-09-05 |
| 6072868 | Telephone with touch-any-key dialing mode | — | 2000-06-06 |
| 6035178 | Satellite communication system for local-area coverage | Sandeep Chennakeshu, Nils Rydbeck, Amer A. Hassan, Stanley Reinhold | 2000-03-07 |
| 6029074 | Hand-held cellular telephone with power management features | — | 2000-02-22 |
| 6021317 | Dual antenna radiotelephone systems including an antenna-management matrix switch and associated methods of operation | — | 2000-02-01 |
| 6002943 | Power limiting circuit for radio communication device with a retractable antenna | Ali S. Khayrallah | 1999-12-14 |
| 5973476 | Battery packs including rechargeable and non-rechargeable batteries and related systems and methods | — | 1999-10-26 |
| 5929604 | Battery-discharge-protection system for electronic accessories used in vehicles containing a battery | — | 1999-07-27 |
| 5889384 | Power transfer and voltage level conversion for a battery-powered electronic device | John Joseph Hayes, Jr. | 1999-03-30 |
| 5867794 | Audio-output for a portable radio telephone utilizing a vehicle's AM/FM radio | John Joseph Hayes, Jr., Ted Ericsson, Jim Rasmusson | 1999-02-02 |
| 5862160 | Secondary channel for communication networks | Ali S. Khayrallah | 1999-01-19 |
| 5832390 | Untethered microphone and base unit | — | 1998-11-03 |
| 5745502 | Error detection scheme for ARQ systems | Ali S. Khayrallah | 1998-04-28 |
| 5121396 | Preservation of CRC integrity upon intentional data alteration during message transmission | Kian-Bon K. Sy | 1992-06-09 |
| 4823345 | Method and apparatus for communication network alert record identification | Arthur A. Daniel, Robert E. Moore | 1989-04-18 |
| 4679187 | Adaptive trunk-compression system with constant grade of service | — | 1987-07-07 |
| 4644108 | Adaptive sub-band echo suppressor | William G. Crouse | 1987-02-17 |
| 4630261 | Integrated buffer management and signaling technique | — | 1986-12-16 |
| 4628156 | Canceller trained echo suppressor | — | 1986-12-09 |