DR

David B. Rosten

PI Plastofilm Industries: 1 patents #1 of 5Top 20%
📍 Cambridge, MN: #2 of 3 inventorsTop 70%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #121,870 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4819829 Closure for pourable materials container William C. Perchak, Douglas E. Foos, Richard L. Partlow, Jr., Gary G. Buhrke 1989-04-11