Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5969642 | Airfield lighting system | Edwin K. Runyon, Harold R. Williams, Todd E. McCorkle, Earl R. Williams | 1999-10-19 |
| 5485151 | Airfield lighting system | Edwin K. Runyon, Harold R. Williams, Todd E. McCorkle, Earl R. Williams | 1996-01-16 |