Glen F. Kellerhals

Follow

Person

Tulsa, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for recovering crude oil from an underground reservoir
- Patent number 4,029,570
- Issue date Jun 14, 1977
- Cities Service Company
- Charles L. Coffman
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...