Katy, Texas
United States
5
2020-05-07
The entities that hold a legal rights for patent applications filed by inventor Dean William J.:
William J. Dean from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Use of solid surfactant composites in well cementing
#2 | 2018-09-20Use of solid surfactant composites in well spacer fluids
#3 | 2005-12-20Liner hanger with sliding sleeve valve
#4 | 2005-12-08Mono-diameter wellbore casing
#5 | 2005-04-28Liner hanger with sliding sleeve valve
2298032 ⎘