DR

Donald J. Ralph

VC Viskase Companies: 2 patents #46 of 107Top 45%
📍 Orland Park, IL: #129 of 351 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,291,548 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5279872 Multilayer stretch/shrink film — 1994-01-18
5272016 Multilayer stretch/shrink film — 1993-12-21