Oak Brook, Illinois
United States
3
2016-02-04
The entities that hold a legal rights for patent applications filed by inventor KELLAM Doug:
Doug KELLAM from Oak Brook, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Systems, devices, and methods of water filtration
#2 | 2016-02-04Gravity-fed and dual ion-exchange water filtration bottle
#3 | 2016-01-28Systems and methods of eliminating filter air locks
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