Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832314 | Methods and apparatus for selective encryption and decryption of point to multi-point messages | — | 2004-12-14 |
| 6768909 | Handoff between external and internal positioning systems | — | 2004-07-27 |
| 6738946 | Methods, communication devices, and computer program products for communicating information via a frame check sequence having an information block associated therewith | — | 2004-05-18 |
| 6678508 | Power conservation method for mobile communications device with two receivers | Ravinder D. Koilpillai | 2004-01-13 |
| 6678854 | Methods and systems for providing a second data signal on a frame of bits including a first data signal and an error-correcting code | — | 2004-01-13 |