RK

Robert F. Kamrath

3M: 2 patents #280 of 1,428Top 20%
📍 Mahtomedi, MN: #5 of 35 inventorsTop 15%
🗺 Minnesota: #1,470 of 7,373 inventorsTop 20%
Overall (2019): #126,744 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10502869 Optical element with a porous low refractive index layer having a protection layer William D. Coggio, Ramesh C. Kumar, John A. Wheatley, Michael L. Steiner, William F. Edmonds +3 more 2019-12-10
10295724 Back-lit transmissive display having variable index light extraction layer David Scott Thompson, Kevin R. Schaffer, Zhaohui Yang, Encai Hao, Audrey A. Sherman +5 more 2019-05-21