Mill Valley, California
United States
4
2016-06-09
The entities that hold a legal rights for patent applications filed by inventor JOHNSON Robert:
Robert JOHNSON from Mill Valley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Automatic voltage regulation for photovoltaic systems
#2 | 2015-06-25Automatic voltage regulation for photovoltaic systems
#3 | 2013-05-02Master-slave architecture for controlling operation of photovoltaic power plants
#4 | 2012-09-20Automatic voltage regulation for photovoltaic systems
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