Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428823 | Method for a communication unit to access and utilize information from an allocator | Lewis H. Rosenthal, David Bar-On | 1995-06-27 |
| 5335358 | Subscriber incompatibility display arrangement | Timothy J. Sherburne, Randy L. Ekl | 1994-08-02 |
| 5235631 | Trunked talk-group assignment method | Gary W. Grube, Ted A. Kozlowski | 1993-08-10 |
| 5212832 | Method and apparatus for operator messaging using voice channel signalling | — | 1993-05-18 |
| 5003629 | Arrangement for identifying subscribers | Lewis H. Rosenthal, Randy L. Ekl, Gregory N. Hesse, Katherine B. Roane, David Bar-On | 1991-03-26 |