WO

Walter Duane Ollinger

📍 Dumas, TX: #2 of 14 inventorsTop 15%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,198,900 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6579335 Oil separator and cooler 2003-06-17
6521023 Oil separator and cooler 2003-02-18