Pennzoil Sulphur Company

Follow

Organization

Houston, TX, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for recovery of sulfur
- Patent number 4,869,555
- Issue date Sep 26, 1989
- Pennzoil Sulphur Company
- John R. Peters
- E21 - EARTH DRILLING MINING