Carrollton, Texas
United States
4
2005-09-22
The entities that hold a legal rights for patent applications filed by inventor Patterson Daniel L.:
Daniel L. Patterson from Carrollton, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Deep set packer with hydrostatic setting actuator
#2 | 2005-04-28Two slip retrievable packer for extreme duty
#3 | 2005-03-01Packer releasing methods
#4 | 2005-01-27Packer releasing methods
4772770 ⎘