P

Inventor

BRENNAN TIMOTHY J

US6 patents
⚠️ This page may combine multiple inventors who share the name “BRENNAN TIMOTHY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ETHYL PETROLEUM ADDITIVES INC

1 patent

ETHYL CORP

1 patent

ARROW GROUP IND INC

1 patent

AFTON CHEMICAL CORP

1 patent

UNIV IOWA RES FOUND

1 patent

UNIVERISTY OF IOWA RES FOUNDAT

1 patent