Inventor

DEMARCO RICHARD E

US3 patents

Patents

3 patents

US4460087AJul 17, 1984

Core plug

WESTVACO CORP22 citations76

US4547417AOct 15, 1985

Core plug

WESTVACO CORP15 citations69

US4484715ANov 27, 1984

Core plug

WESTVACO CORP10 citations69