DK

David B. Knowles

TO Transitions Optical: 1 patents #5 of 29Top 20%
Overall (2022): #482,444 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11525027 Curable photochromic composition including a segmented polymer Stephen G. Robinson, Anthony Thomas Gestrich, Michael Frank Haley, Cathy A. Taylor, Elizabeth A. Zezinka 2022-12-13