Inventor

SEFTON ROBERT H

2 patents

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

KOPPERS CO INC

1 patent

US4165413AAug 21, 1979

Process for producing phenolic foams with a uniform appearance

KOPPERS CO INC19 citations76

SEFTON ROBERT H

1 patent

US8178016B2May 15, 2012

Method for manufacturing a multilayered composite molded part

SEFTON ROBERT H0 citations24