Inventor

CLARK RALPH HOWARD

US2 patents

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

ARKEMA

1 patent

US7067188B1Jun 27, 2006

Polymeric articles having a textured surface and frosted appearance

ARKEMA59 citations91

ARKEMA FRANCE

1 patent

US7544724B2Jun 9, 2009

Polymeric articles having a textured surface and frosted appearance

ARKEMA FRANCE2 citations58