CK

Christopher E. Koch

EL Exploration Logging: 3 patents #3 of 15Top 20%
Overall (All Time): #1,678,205 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4601100 Method for making logging sleeve Henry S. More 1986-07-22
4483393 Well logging apparatus and method for making same Henry S. More 1984-11-20
4312223 Carrier system for positioning sensors adjacent a wire rope 1982-01-26