Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260669 | Circuit for generating first and second in-phase alternating signals | Alton N. Higgins | 1993-11-09 |
| 5132682 | Apparatus for controlling traffic lights | Alton N. Higgins | 1992-07-21 |