Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491469 | Communication system for temporarily directing radio receivers to a second radio frequency | — | 1996-02-13 |
| 5450071 | Method and apparatus for addressing a single message to multiple addresses | Michael J. DeLuca, Gregory O. Snowden, Leon Jasinski | 1995-09-12 |
| 5446922 | Method and apparatus for switched diversity reception of a radio signal | Kazimierz Siwiak, Robert L. Breeden | 1995-08-29 |
| 5440299 | Method and apparatus for equalizing battery life in a selective call communication system | — | 1995-08-08 |
| 5423057 | Method and apparatus for sharing signaling formats in a communication channel | William J. Kuznicki | 1995-06-06 |
| 5416473 | Calendar driven selective call messaging system and operating method | Harry G. Dulaney, III, Gregg Rasor, James C. Page | 1995-05-16 |
| 5414419 | Battery saving method for selective call receivers | Leon Jasinski, William J. Kuznicki | 1995-05-09 |
| 5410417 | Method and apparatus for correcting an angle of an optical image for improving the efficiency of facsimile encoding of the image | William J. Kuznicki | 1995-04-25 |
| 5404569 | Satellite based acknowledge-back paging system | William J. Kuznicki | 1995-04-04 |
| 5396537 | Reliable message delivery system | — | 1995-03-07 |
| 5392451 | Satellite based acknowledge-back paging system | Willam J. Kuznicki | 1995-02-21 |
| 5371737 | Selective call receiver for receiving a multiphase multiplexed signal | Leonard E. Nelson, Michael J. DeLuca, David F. Willard, Jerry L. Sandvos, William V. Braun | 1994-12-06 |
| 5371899 | Communication system capable of reassigning radio receivers | William J. Kuznicki | 1994-12-06 |
| 5325088 | Synchronous selective signalling system | David F. Willard, William J. Kuznicki, Morris A. Moore, Michael J. DeLuca | 1994-06-28 |
| 5325403 | Method and apparatus for dual-channel diversity reception of a radio signal | Kazimierz Siwiak | 1994-06-28 |
| 5315635 | Reliable message communication system | John Kane, James A. Wright | 1994-05-24 |
| 5301354 | Satellite based global paging system | William J. Kuznicki | 1994-04-05 |
| 5289178 | Sensitivity indicator for a radio receiver and method therefor | — | 1994-02-22 |
| 5274840 | Satellite communication system | — | 1993-12-28 |
| 5257019 | Satellite selective call signalling system | Michael J. DeLuca | 1993-10-26 |
| 5252963 | """Selective call receiver""" | Gregory O. Snowden, Michael J. DeLuca, Morris A. Moore, David F. Willard | 1993-10-12 |
| 5239670 | Satellite based global paging system | William J. Kuznicki | 1993-08-24 |
| 5239306 | Dual mode receiver having battery saving capability | Kazimierz Siwiak, Clifford D. Leitch | 1993-08-24 |
| 5206855 | Multiple frequency message system | David F. Willard | 1993-04-27 |
| 5168493 | Time division multiplexed selective call system | Leonard E. Nelson, Michael J. DeLuca, David F. Willard, Jerry L. Sandvos, William V. Braun | 1992-12-01 |