Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771773 | Digital switching system with shared analog line | Paul Hanrieder, William Sung, Kevin Golka, Richard Martin, Jeffrey Jay McIntosh | 2004-08-03 |
| 6711155 | Distributed PBX, KSU and the like system utilizing internet protocol | Lee C. Himbeault, Ronald Wellard, Paul A. Senyshyn | 2004-03-23 |