Inventor

OOSTENBRINK ALBERTUS A

NL3 patents

Patents

3 patents

US4441744AApr 10, 1984

Branch pipe part

WAVIN BV29 citations83

US4143884AMar 13, 1979

Sealing member for spigot-and-socket pipe coupling

WAVIN BV23 citations78

US5150928ASep 29, 1992

Coupling sleeve for connection of a branch pipe to a main pipe

WAVIN BV18 citations67