Willam E. Brennan — 1 Patent

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%

Richmond, TX: #353 of 594 inventorsTop 60%

Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #3,142,699 of 4,157,543Top 80%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8348642	Active mud valve system	Bill Grant, Mark Milkovisch	2013-01-08