Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033079 | Establishment of facsimile calls | Nancy A. Catron, Karrie Hanson, Robert Koch, Ronald E. Large, Susan M. Zoccolillo | 1991-07-16 |
| 5018191 | Special service call routing | Nancy A. Catron, Richard J. Famulare, Karrie Hanson, Robert Koch, Ronald E. Large +3 more | 1991-05-21 |
| 4756020 | Method and apparatus for disallowing the extension of a call through a network | — | 1988-07-05 |