Josefina M. Dumdum

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Chino Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cerium-containing lubricating compositions
- Patent number 5,200,098
- Issue date Apr 6, 1993
- Union Oil Company of California
- Josefina M. Dumdum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Extreme pressure lubricating compositions and method of using same
- Patent number 4,908,142
- Issue date Mar 13, 1990
- Union Oil Company of California
- Josefina M. Dumdum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating compositions and method of using same
- Patent number 4,908,143
- Issue date Mar 13, 1990
- Union Oil Company of California
- Josefina M. Dumdum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...