Patents/Inventors

L. Mark Knolle

Marietta, OHUS1 patent

2 Patents

US118213122023
Drilling Rig and Methods Using Multiple Types of Drilling for Installing Geothermal Systems
Terra Sonic International, LLC
0 cites
US116923982023
Sonic-powered Methods for Horizontal Directional Drilling
Terra Sonic International, LLC
0 cites