Inventor
ZENGA ANTONIO
CA3 patents
Patents
3 patentsUS7363935B2Apr 29, 2008
Field configurable shut-off valve
DAHL BROTHERS CANADA LTD13 citations78
US6932104B2Aug 23, 2005
Field configurable shut-off valve
DAHL BROTHERS CANADA LTD13 citations78
US6874824B2Apr 5, 2005
Connection structure having pierced elastomeric gasket
DAHL BROTHERS CANADA LTD3 citations56