Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196846 | Moving vehicle identification system | William K. Brockelsby, Conrad M. B. Walker, Donald P. Gillis | 1993-03-23 |
| 5164732 | Highway vehicle identification system with high gain antenna | William K. Brockelsby, Conrad M. B. Walker, Donald P. Gillis | 1992-11-17 |