DK

Doug Kellam

ZT Zero E Technologies: 2 patents #5 of 10Top 50%
📍 Oak Brook, IL: #6 of 33 inventorsTop 20%
🗺 Illinois: #1,558 of 9,120 inventorsTop 20%
Overall (2019): #177,231 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10435313 Systems, devices, and methods of water filtration Rajan G. Rajan, Liu Wei, Ajit Dighe, Charles Lieppe 2019-10-08
D840736 Glass water dispenser Anthony Petruzzi 2019-02-19