Marsha J. Lester

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Clean performing gear oils
- Patent number 5,843,874
- Issue date Dec 1, 1998
- Ethyl Corporation
- Ian Macpherson
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Clean gear boron-free gear additive and method for producing same
- Patent number 5,763,372
- Issue date Jun 9, 1998
- Ethyl Corporation
- Samuel H. Tersigni
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...