Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684861 | Apparatus and method for monitoring cellular telephone usage | Walter F. Lewis, Michael McGovern | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684861 | Apparatus and method for monitoring cellular telephone usage | Walter F. Lewis, Michael McGovern | 1997-11-04 |