Inventor
NIJSEN DRIES
NL3 patents
Patents
3 patentsUS6533331B2Mar 18, 2003
Coupling device and method for fabricating a grip ring to be used in such a coupling device
FISCHER GEORG WAGA NV26 citations87
US6481755B2Nov 19, 2002
Coupling device and method for fabricating a grip ring to be used in such a coupling device
FISCHER GEORG WAGA NV15 citations87
US6257628B1Jul 10, 2001
Coupling device
FISCHER GEORG WAGA NV28 citations87