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Inventor
RIDDELL DANIEL J
CA
3 patents
Patents
3 patents
US6457530B1
Oct 1, 2002
Wellhead production pumping tree
STREAM FLO IND LTD
81 citations
95
US6637509B2
Oct 28, 2003
Wellhead stuffing box support assembly
STREAM FLO IND LTD
22 citations
89
US6736208B2
May 18, 2004
Wellhead production pumping tree with access port
STREAM FLO IND LTD
9 citations
69