Midland, Texas
United States
3
2015-06-25
The entities that hold a legal rights for patent applications filed by inventor Wray Robert J.:
Robert J. Wray from Midland, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods, devices and systems for extraction of thermal energy from a heat conducting metal conduit
#2 | 2014-07-10Methods, devices and systems for extraction of thermal energy from a heat conducting metal conduit
#3 | 2011-12-22Methods, devices and systems for extraction of thermal energy from a heat conducting metal conduit
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