Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454025 | Switch bypass for a public safety calling system | Donald J. Jester | 1995-09-26 |
| 5388145 | Internode routing for a telephone system | Donald J. Jester | 1995-02-07 |
| 4893325 | Integrated public safety answering point system | Andrew W. Pankonen, Donald J. Jester, Catherine P. Modica, John M. Zdenek | 1990-01-09 |