Rudolf F. Heldeweg

Follow

Person

Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Gasoline composition and method for reducing fuel consumption
- Patent number 4,389,221
- Issue date Jun 21, 1983
- Shell Oil Company
- Leonard B. Graiff
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...