Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590186 | System and method for redirecting a telephone call with call merging | Frank Y. Liao, Antoinette Rule, Thomas W. Blickle, Sandra L. Bish | 1996-12-31 |
| 5432845 | Post answer telephone call redirection or rerouting | Margaret A. Burd, Steven T. Heinsius, Steven F. Knittel, William G. Kuchenbecker, Arnold Chester McQuaide, Jr. +3 more | 1995-07-11 |
| 5187706 | Dual access rings for communications networks | K. S. Liu | 1993-02-16 |