Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774786 | Method of maintaining calls subsequent to a site controller failure | Michael L. Wirtjes | 1998-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774786 | Method of maintaining calls subsequent to a site controller failure | Michael L. Wirtjes | 1998-06-30 |