Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867559 | Real-time, on-line, call verification system | Jacob W. Jorgensen, Donald Grailich, Andrew P. Heron | 1999-02-02 |
| 5533103 | Calling system and method | James E. Ogden, William J. Hoyt, Ino Dunn, Paul Zmuda, David A. Jamroga +1 more | 1996-07-02 |