DD

Duane Darnell

📍 Redmond, OR: #31 of 100 inventorsTop 35%
🗺 Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,105,324 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7921603 Systems for a fire-resistant door jamb — 2011-04-12
7669383 Fire door — 2010-03-02