Tavares, Florida
United States
4
2014-06-17
The entities that hold a legal rights for patent applications filed by inventor Everson Douglas G.:
Douglas G. Everson from Tavares, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Underground water retention system and associated methods
#2 | 2012-08-14Underground water retention system and associated methods
#3 | 2010-02-16Low-pressure dosing system for sewage disposal and associated methods
#4 | 2009-12-15Passive drain field system for wastewater treatment and associated methods
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