Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369695 | Method of redirecting a telephone call to an alternate destination | R. Paul Christmann, Steven F. Knittel, Margaret H. Redberg, William T. Shampine, Lindsay A. Shur +1 more | 1994-11-29 |