Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003182 | Communication system and method for securely communicating a message between correspondents through an intermediary terminal | Walter L. Davis, Scott A. Vanstone | 2015-04-07 |
| 6611197 | Selective call transceiver and method of re-registering same | Robert Gary Goodman, James A. Starkweather | 2003-08-26 |
| 6515971 | Method and apparatus to enable background scanning | Leonard E. Nelson | 2003-02-04 |
| 6141535 | Communication systems for controlling registration of selective call devices | — | 2000-10-31 |
| 6108544 | Method and apparatus for partial coverage zone selective call communication | Jheroen Dorenbosch, Leonard E. Nelson | 2000-08-22 |
| 6069886 | System controlled asymmetrical automatic repeat request protocol | Malik Khan, Michael J. Rudowicz | 2000-05-30 |
| 5923266 | Method for dynamically changing control frames for selective call receiving devices | Zhonghe Wang, Kwok Keung Choi, Jyh-Han Lin, Gregory L. Cannon, Jheroen Dorenbosch +2 more | 1999-07-13 |
| 5878035 | Method and apparatus for mixing protocols in a radio messaging system | Zhonghe Wang, Kwok Keung Choi, Jyh-Han Lin, Gregory L. Cannon, Jheroen Dorenbosch +2 more | 1999-03-02 |
| 5875387 | Method and apparatus for receiving a radio signal within a home control channel in a multichannel radio communication system | — | 1999-02-23 |
| 5799012 | System controlled asymmetrical automatic repeat request protocol method | Malik Khan, Michael J. Rudowicz | 1998-08-25 |
| 5793756 | Method and apparatus for organizing and recovering information communicated in a radio communication system | Malik Khan, Michael J. Rudowicz | 1998-08-11 |
| 5761196 | Code division multiple access (CDMA) inbound messaging system utilizing re-use of sequences | Stephen R. Carsello, Warren P. Glotzbach | 1998-06-02 |
| 5752166 | Method and apparatus for controlling how a receiver responds to a message | Jheroen Dorenbosch, Gregory L. Cannon | 1998-05-12 |
| 5740534 | Method for determining available frequencies in selective call receivers | Malik Khan, Morris A. Moore, Leonard E. Nelson, Kwok Keung Choi | 1998-04-14 |
| 5712624 | Method and apparatus for optimizing receiver synchronization in a radio communication system | Leo G. Dehner | 1998-01-27 |
| 5710547 | Selective call transceiver and method of re-registering same | Robert Gary Goodman, James A. Starkweather | 1998-01-20 |
| 5689805 | Communication system and method providing minimum message transmission delay | William J. Kuznicki, Robert J. Schwendeman | 1997-11-18 |
| 5649302 | Method and apparatus for identifying an inbound message in a radio communication system | Malik Khan, Michael J. Rudowicz | 1997-07-15 |
| 5649294 | Method and apparatus for delivering global event information in a radio communication system | Morris A. Moore | 1997-07-15 |
| 5644568 | Method and apparatus for organizing and recovering information communicated in a radio communication system | Malik Khan, Michael J. Rudowicz | 1997-07-01 |
| 5638369 | Method and apparatus for inbound channel selection in a communication system | Gregory L. Cannon, Malik Khan, Richard A. Hill | 1997-06-10 |
| 5521926 | Method and apparatus for improved message reception at a fixed system receiver | Brian J. Budnik, Malik Khan | 1996-05-28 |
| 5473612 | Method and apparatus for minimizing false detection of packet data in a communication receiver | Leo G. Dehner, Stephen R. Carsello | 1995-12-05 |
| 5381447 | Code division multiple access messaging system for providing seed information based on times of inbound messages | Stephen R. Carsello, Warren P. Glotzbach | 1995-01-10 |
| 5323418 | Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages | Stephen R. Carsello, Warren P. Glotzbach | 1994-06-21 |