Silver Spring, Maryland
United States
4
2017-10-05
The entities that hold a legal rights for patent applications filed by inventor Blay Preston P.:
Preston P. Blay from Silver Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cooling tower with indirect heat exchanger
#2 | 2017-06-08Cooling tower with indirect heat exchanger
#3 | 2016-12-15Cooling tower with indirect heat exchanger
#4 | 2016-05-19Cooling tower with indirect heat exchanger
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