P

Inventor

SHEETS ROGER M

US20 patents
⚠️ This page may combine multiple inventors who share the name “SHEETS ROGER M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AFTON CHEMICAL CORP

11 patents

ETHYL CORP

2 patents

DEVLIN MARK T

2 patents

BAKER JOHN MARSHALL

1 patent

AFTON CHEMICAL INTANGIBLES LLC

1 patent

GUINTHER GREGORY H

1 patent

DEGONIA DAVID J

1 patent

AFTON CHEMICAL JAPAN CORP

1 patent