DC

Donald E. Carrens

DI Dresser Industries: 1 patents #6 of 56Top 15%
📍 Tulsa, OK: #10 of 96 inventorsTop 15%
🗺 Oklahoma: #101 of 552 inventorsTop 20%
Overall (1982): #69,059 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4350082 Pump piston having ring lubrication means — 1982-09-21