Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8412829 | System and method for controlling and managing sessions between endpoints in a communications system | Matthew C. Keller, James E. Mathis, Donald G. Newberg | 2013-04-02 |
| 8027342 | Method and apparatus for establishing peer-to-peer communications | Narayanan Venkitaraman | 2011-09-27 |
| 7894377 | Method and system for group communications | Matthew C. Keller, Michael F. Korus, Donald G. Newberg | 2011-02-22 |
| 7369567 | Methods for affiliating endpoints with a group and determining common communication capabilities for the affiliated endpoints | Donald G. Newberg, Matthew C. Keller, Michael F. Korus | 2008-05-06 |
| 7366780 | System and method for controlling and managing sessions between endpoints in a communications system | Matthew C. Keller, James E. Mathis, Donald G. Newberg | 2008-04-29 |
| 7023813 | Methods for managing a pool of multicast addresses and allocating addresses in a communications system | Donald G. Newberg, Matthew C. Keller, James E. Mathis | 2006-04-04 |
| 6798755 | Apparatus and method for controlling and managing individual directed sessions in a communications system | Matthew C. Keller, James E. Mathis, Donald G. Newberg, Bryan Thale | 2004-09-28 |
| 4893316 | Digital radio frequency receiver | Robert V. Janc, Steven C. Jasper, Lester Anderson Longley, Katherine L. Zebrose, William J. Turney | 1990-01-09 |
| 4675882 | FM demodulator | Steven C. Jasper | 1987-06-23 |