Inventor

DEGRAFT-JOHNSON JOSEPH

US2 patents

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

OLIN CORP

1 patent

US5232811AAug 3, 1993

Easy cleaning liquid electrophotographic developer

OLIN CORP14 citations69

OLIN HUNT SPECIALTY PROD

1 patent

US4869991ASep 26, 1989

Charge director composition for liquid toner formulations

OLIN HUNT SPECIALTY PROD17 citations66