RW

Robert W. Walters

TO Transitions Optical: 2 patents #4 of 39Top 15%
Overall (2025): #90,944 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12404448 Dihydroquinoline photochromic compounds Jun Deng, Shengwen Yuan 2025-09-02
12304991 Photochromic article Joseph D. Turpen, Elizabeth A. Zezinka, Emily Amond, Anu Chopra, Michael Frank Haley +6 more 2025-05-20