David W. Smith

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic transmission fluids having enhanced performance capabilities
- Patent number 5,972,851
- Issue date Oct 26, 1999
- Ethyl Corporation
- Sanjay Srinivasan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Substantially metal free synthetic power transmission fluids having...
- Patent number 5,891,786
- Issue date Apr 6, 1999
- Ethyl Corporation
- Sanjay Srinivasan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Power transmission fluids having enhanced performance capabilities
- Patent number 5,578,236
- Issue date Nov 26, 1996
- Ethyl Corporation
- Sanjay Srinivasan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...