RH

R. Duane Hefley

📍 Bellaire, TX: #18 of 37 inventorsTop 50%
🗺 Texas: #2,449 of 8,709 inventorsTop 30%
Overall (2003): #139,132 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6513778 Bracing device Kenneth A. Strode, Michael S. Andrich 2003-02-04