DM

David R. Mandeville

Schlumberger Technology: 5 patents #1,262 of 7,293Top 20%
Overall (All Time): #1,030,100 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7370700 Multiple entrance shunt Gary Hurst 2008-05-13
7207383 Multiple entrance shunt Gary Hurst 2007-04-24
6516890 Apparatus and method for preventing the inadvertent activation of the actuating mechanism of a well tool Stephen L. Jackson, John R. Whitsitt 2003-02-11
6481496 Well packer and method Stephen L. Jackson 2002-11-19
6298916 Method and apparatus for controlling fluid flow in conduits Raymond J. Tibbles, James A. Pramann, II, Stephen L. Jackson 2001-10-09