MG

Marvin Gearhart

📍 Fort Worth, TX: #16 of 96 inventorsTop 20%
🗺 Texas: #1,330 of 5,527 inventorsTop 25%
Overall (1994): #97,547 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5289889 Roller cone core bit with spiral stabilizers Johnny Castle, Paul G. Parys 1994-03-01