El Paso, Texas
United States
3
2017-07-20
The entities that hold a legal rights for patent applications filed by inventor Walker William S.:
William S. Walker from El Paso, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Sea water reverse osmosis system to reduce concentrate volume prior to disposal
#2 | 2017-06-15SOLAR POWERED THERMAL DISTILLATION WITH ZERO LIQUID DISCHARGE
#3 | 2016-05-05SOLAR STILL COUNTERCURRENT FLOW SYSTEM AND APPARATUS
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