Inventor

LA VANGE DONALD

US3 patents

Patents

3 patents

US4718567AJan 12, 1988

Child resistant dispensing closure

POLYTOP CORP87 citations91

US4903870AFeb 27, 1990

Dispensing closure

POLYTOP CORP44 citations88

US4776475AOct 11, 1988

Child resistant dispensing closure

POLYTOP CORP33 citations88