SL

Stephen L. Lieder

3M: 2 patents #212 of 1,198Top 20%
Overall (2022): #108,615 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11353640 Durable retroreflective elements with an ionic copolymer core Matthew D. Wilding, Eugene H. Carlson 2022-06-07
11286368 Durable retroreflective elements with a blend of beads Matthew D. Wilding, Eugene H. Carlson, Kenton D. Budd, Joseph D. Engebretson 2022-03-29