Apparatus for controlling the annulus of an inner string and casing string | Patent Application Number 10390984

10390984
Not Appealed
Patent NumberUS 06719046 B2
Publication NumberUS 20030178192 A1
Filled DateMar 17, 2003
Priority DateMar 20, 2002
Inventor/ApplicantsAlbert Augustus Mullins
Albert Augustus Mullins
ExaminesSCHOEPPEL, ROGER J
Art Unit3672
Technology Center3600
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