KB

Kevin E. Bancroft

TO Transitions Optical: 1 patents #94 of 143Top 70%
Overall (All Time): #3,051,883 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9028728 Photochromic materials that include indeno-fused naphthopyrans Anu Chopra, Xiao-Man Dai, Beon-Kyu Kim, David B. Knowles, Jason R. Lewis +8 more 2015-05-12