Inventor

GROFFMAN DAVID M

GB3 patents

Patents

3 patents

US4758612AJul 19, 1988

Cement-forming compositions

NAT RES DEV46 citations87

US4880628ANov 14, 1989

Sustained release composition

NAT RES DEV3 citations58

US4661339AApr 28, 1987

Sustained release composition

NAT RES DEV3 citations58