Inventor
STEENHUISEN JOHANNES E
NL4 patents
Patents
4 patentsUS4475903AOct 9, 1984
Disposable hypodermic syringe
DUPHAR INT RES30 citations90
US4798671AJan 17, 1989
Device for inward suction of liquid
DUPHAR INT RES19 citations71
US4801012AJan 31, 1989
Holder for a plurality of syringes
DUPHAR INT RES5 citations57
US5041218AAug 20, 1991
Water purification set and chemicals unit therefor
DUPHAR INT RES1 citations48