Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477381 | Selective call receiver and method for detecting mandatory frames of a channel protocol | Karl R. Weiss, Dee Nai Ong | 2002-11-05 |
| 6229794 | Selective call device and method for monitoring at least two communication systems | Eric Thomas Eaton | 2001-05-08 |
| 6101370 | Method and apparatus used in a simulcast radio communication system for providing improved local time | Eric Thomas Eaton, Michael J. DeLuca | 2000-08-08 |
| 5956640 | Messaging system providing flexible roaming and method therefor | Eric Thomas Eaton, William J. Kuznicki | 1999-09-21 |
| 5686898 | Paging network identification information distributed in address field | Robert J. Schwendeman, Michael J. DeLuca | 1997-11-11 |
| 5682147 | Method and apparatus for selecting a receive frequency in a communication receiver | Eric Thomas Eaton, Barbara Diaz Laflin, Mark H. Aronson | 1997-10-28 |
| 5635914 | Method and apparatus for dynamic group calling in a selective call system | David R. Petreye, Barbara Diaz Laflin, Marcus A. Gade | 1997-06-03 |
| 5625351 | Messaging system having roaming capability | Barbara Diaz Laflin, William J. Kuznicki, Mark H. Aronson, Eric Thomas Eaton | 1997-04-29 |
| 5610919 | Network identification information placement architecture for messaging system having roaming capability | Eric Thomas Eaton, Barbara Diaz Laflin | 1997-03-11 |
| 5600312 | Messaging system and method having roaming capability and controlled group messaging | Robert J. Schwendeman, Eric Thomas Eaton, Barbara Diaz Laflin | 1997-02-04 |
| 5555183 | Method and apparatus for synchronizing to a synchronous selective call signal | Robert J. Schwendeman, William J. Kuznicki, Michael J. DeLuca | 1996-09-10 |
| 5546394 | Message fragmenting in a time diversity radio system | Eric Thomas Eaton, Ronald Hugh Evoy, David J. Hayes, Shogo Ito, Yasushi Yamao | 1996-08-13 |
| 5493282 | Addressing method for conserving power in distributed information receivers | David R. Petreye | 1996-02-20 |
| 5475863 | Method and apparatus for delivering messages to portable communication units in a radio communication system | Floyd D. Simpson, Jian-Cheng Huang | 1995-12-12 |
| 5455579 | Digitized stored voice paging receiver | Paul T. Bennett, Omid Tahernia, James C. Page, Allan I. Spiro, Frank Lambrecht | 1995-10-03 |
| 5371737 | Selective call receiver for receiving a multiphase multiplexed signal | Leonard E. Nelson, Robert J. Schwendeman, Michael J. DeLuca, Jerry L. Sandvos, William V. Braun | 1994-12-06 |
| 5325088 | Synchronous selective signalling system | Robert J. Schwendeman, William J. Kuznicki, Morris A. Moore, Michael J. DeLuca | 1994-06-28 |
| 5311516 | Paging system using message fragmentation to redistribute traffic | William J. Kuznicki | 1994-05-10 |
| 5252963 | """Selective call receiver""" | Gregory O. Snowden, Michael J. DeLuca, Morris A. Moore, Robert J. Schwendeman | 1993-10-12 |
| 5208833 | Multi-level symbol synchronizer | Richard A. Erhart, James G. Mittel | 1993-05-04 |
| 5206855 | Multiple frequency message system | Robert J. Schwendeman | 1993-04-27 |
| 5168493 | Time division multiplexed selective call system | Leonard E. Nelson, Robert J. Schwendeman, Michael J. DeLuca, Jerry L. Sandvos, William V. Braun | 1992-12-01 |
| 5089813 | Method of super battery saving in a selective call receiver | Michael J. DeLuca, Leon Jasinski | 1992-02-18 |
| 5051993 | Mixed modulation level communication system | Michael J. DeLuca, Robert J. Schwendeman | 1991-09-24 |
| 4965569 | Digitized stored voice paging receiver | Paul T. Bennett, Omid Tahernia, James C. Page, Alan Spiro, Frank Lambrecht | 1990-10-23 |