Austin, Texas
United States
2
2011-04-21
The entities that hold a legal rights for patent applications filed by inventor Stokes Robert H.:
Robert H. Stokes from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Sparker type wellbore seismic energy source having controllable depth independent frequency
#2 | 2009-06-18Method for enhancing low frequency output of impulsive type seismic energy sources and its application to a seismic energy source for use while drilling
3367533 ⎘