RC

Rex D. Callis

📍 Jeffersonville, IN: #3 of 5 inventorsTop 60%
🗺 Indiana: #372 of 1,697 inventorsTop 25%
Overall (1994): #162,546 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5341691 Dual use pressurized and unpressurized oil sampling apparatus John M. Callis 1994-08-30