Details for 2006750964
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Details for 2006750964
Deleted
European Patent
02.01.2008 A
23.11.2016 B1
22.04.2005
US
674081 P
E21B 43/24 20060101AFI20160818BHEP
Owner
Shell Internationale Research Maatschappij B.V.Carel van Bylandtlaan 30 2596 HR Den HaagNL
Representative
No representatives present
Inventor
SANDBERG, Chester Ledlie758 Torreya Ct, Palo Alto Palo Alto, California 94303US
VINEGAR, Harold J.4613 Laurel Bellaire, Texas 77401US