Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4932489 | Steering and drive means for robot vehicle | John M. Evans, Wilbur N. Roberts | 1990-06-12 |
| 4709265 | Remote control mobile surveillance system | Eugene B. Silverman, Richard K. Simmons | 1987-11-24 |