NL

Norman D. Ligtenberg

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,550,438 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6416188 Dielectric mirror retroreflective appliques having excellent repetitive laundering performance Jeanine M. Shusta, William B. Robbins 2002-07-09