DF

David L. Freeman

CL Canadian General Electric Company Limited: 1 patents #13 of 53Top 25%
CL Core Laboratories Lp: 1 patents #13 of 53Top 25%
PH Photodynamic: 1 patents #43 of 97Top 45%
WI Western Atlas International: 1 patents #141 of 314Top 45%
📍 Bridgenorth, CA: #2 of 5 inventorsTop 40%
Overall (All Time): #1,029,369 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7330583 Integrated visual imaging and electronic sensing inspection systems Bernard Clark, Jeffrey Hawthorne, Alexander Nagy, William K. Pratt 2008-02-12
4856388 Adjustable length extension 1989-08-15
4839516 Method for quantitative analysis of core samples Mark G. Rockley, Donald G. Harville 1989-06-13
4555934 Method and apparatus for nonsteady state testing of permeability Darrell C. Bush 1985-12-03
4238733 Corona discharge monitor system 1980-12-09