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Inventor

MEFFERT MICHAEL W

US4 patents
⚠️ This page may combine multiple inventors who share the name “MEFFERT MICHAEL W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AFTON CHEMICAL CORP

2 patents

ABB LUMMUS GLOBAL INC

1 patent

AFTON CHEMICAL INTANGIBLES LLC

1 patent