Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553102 | System and method for fully integrating multiple business telephone systems with a single voice mail system | Shawn D. T. Fogg, David Fogg | 2003-04-22 |
| 5841839 | Integrated telephone switching apparatus for fully integrating multiple business telephone systems with a single voice mail system | Shawn D. T. Fogg, David Fogg | 1998-11-24 |