Duane C. Cawthorne

UE US Dept of Energy: 2 patents #577 of 5,099Top 15%

📍 Amarillo, TX: #88 of 400 inventorsTop 25%

🗺 Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,270,601 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5633626	Self-testing security sensor for monitoring closure of vault doors and the like	—	1997-05-27
4682238	Energy-efficient lighting system for television	—	1987-07-21