Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099120 | Method and device for enabling selective privacy in a push to talk (PTT) wireless group communication session | Peter M. Drozt, Anatoly Agulnik | 2012-01-17 |
| 8010142 | Method and apparatus for including a recording device in a push-to-talk over cellular communication session | Dwight R. Smith | 2011-08-30 |
| 6073012 | System for defining an individual subscriber unit location within a wireless communication system and method therefor | Dean Paul Vanden Heuvel, Scott David Blanchard | 2000-06-06 |
| 6058115 | Communication method and apparatus utilizing protocol options | Steven Paul Sawyer, Peter J. Armbruster | 2000-05-02 |
| 5892811 | Radio telecommunication network and method for unobtrusive call interception via transcoder bypass | Peter J. Armbruster | 1999-04-06 |
| 5862480 | Method and apparatus for managing service accessibility between differing radio telecommunication networks | Daniel R. Tayloe, James William Bishop, Jr., William Neil Robinson | 1999-01-19 |
| 5826188 | Method and apparatus for handing off calls between differing radio telecommunication networks | Daniel R. Tayloe, James William Bishop, Jr., William Neil Robinson | 1998-10-20 |
| 5790073 | Radio telecommunication network with fraud-circumventing registration | Daniel R. Tayloe, Dean Paul Vanden Heuvel, Joseph Lester, Scott David Blanchard | 1998-08-04 |
| 5737331 | Method and apparatus for conveying audio signals using digital packets | Thomas Jake Hoppal, Peter J. Armbruster, James William Bishop, Jr. | 1998-04-07 |
| 5710971 | Radio communication network and method for unobstrusive call interception via data duplication | Peter J. Armbruster, Dean Paul Vanden Heuvel, Scott David Blanchard | 1998-01-20 |