IM

Iris Maassen

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,729,711 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5688573 Halogen-free acrylic urethane sheet material Siegfried R. Goeb 1997-11-18