Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304444 | Underground centralized power supply/battery vault | Charles D. Combs, Larry Ernest Cox | 2001-10-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304444 | Underground centralized power supply/battery vault | Charles D. Combs, Larry Ernest Cox | 2001-10-16 |