DP

Donna K. Pratt

GI Gearhart Industries: 5 patents #2 of 29Top 7%
📍 Fort Worth, TX: #424 of 2,247 inventorsTop 20%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #1,065,306 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4620591 Chemical cutting apparatus having selective pressure bleed-off Jamie B. Terrell 1986-11-04
4619318 Chemical cutting method and apparatus Jamie B. Terrell 1986-10-28
4494601 Downhole chemical cutting tool Jamie B. Terrell 1985-01-22
4491178 Through tubing bridge plug Jamie B. Terrell 1985-01-01
4415029 Downhole well tool and anchoring assembly Jamie B. Terrell 1983-11-15