DM

David Mathison

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,254,382 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7193525 Methods and apparatus for downhole inter-tool communication Shohachi Miyamae, Tetsuya Tanaka, David Santoso 2007-03-20
6630890 Methods, systems and tools for borehole logging Tatsuki Endo, Jiro Takeda 2003-10-07
6552665 Telemetry system for borehole logging tools Shohachi Miyamae, Tetsuya Tanaka 2003-04-22
PP9707 `Lucky Rose Golden` Apple tree Melvin Ohrazda 1996-11-26