Inventor

BRYANT MARGA M

US3 patents

Patents

3 patents

US4560375ADec 24, 1985

Flow control valve

PUDENZ SCHULTE MED RES286 citations97

US4636194AJan 13, 1987

Burr-hole flow control valve

PUDENZ SCHULTE MED RES131 citations95

US4552553ANov 12, 1985

Flow control valve

PUDENZ SCHULTE MED RES62 citations95