Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521965 | Apparatus and method for handling busy calls in telephone network | Robert E. Buchanan, Barbara A. Calautti, Carolyn Smith | 1996-05-28 |
| 5170426 | Method and system for home incarceration | Alfred C. Keoppe, Mark A. Wegleitner, Alexander I. McAllister | 1992-12-08 |