Erath, Louisiana
United States
3
2011-11-24
The entities that hold a legal rights for patent applications filed by inventor Melder Jace E.:
Jace E. Melder from Erath, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Dual-Pole Magnetic Attraction Downhole Magnetic Retrieval Apparatus
#2 | 2011-01-20Tension-activated fluid bypass device and associated method
#3 | 2010-10-28Full function downhole valve and method of operating the valve
3479340 ⎘