Mansfield, Texas
United States
4
2023-11-16
The entities that hold a legal rights for patent applications filed by inventor Barker James M.:
James M. Barker from Mansfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Segment pressing of shaped charge powder metal liners
#2 | 2005-09-08Perforating gun assembly and method for enhancing perforation depth
#3 | 2005-09-08Perforating gun assembly and method for creating perforation cavities
#4 | 2005-06-16Apparatus and method for severing pipe utilizing a multi-point initiation explosive device
4859570 ⎘