Leiderdorp
Netherlands
3
2005-12-29
The entities that hold a legal rights for patent applications filed by inventor Biezen Ewout:
Ewout Biezen from Leiderdorp, NL has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and compositions for reducing subterranean formation permeabilities
#2 | 2005-08-30Process for controlling gas migration during well cementing
#3 | 2005-07-28Process for controlling gas migration during well cementing
4883128 ⎘