Inventor

LESTER MARSHA J

US3 patents

⚠️ This page may combine multiple inventors who share the name “LESTER MARSHA J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ETHYL CORP

2 patents

US5843874ADec 1, 1998

Clean performing gear oils

ETHYL CORP36 citations90

US5763372AJun 9, 1998

Clean gear boron-free gear additive and method for producing same

ETHYL CORP50 citations89

ETHYL PETROLEUM ADDITIVES INC

1 patent

US5326485AJul 5, 1994

Low ash lubricating oil compositions

ETHYL PETROLEUM ADDITIVES INC30 citations84