RG

Raymond E. Grunzinger

3M: 1 patents #132 of 563Top 25%
📍 Forest Lake, MN: #6 of 13 inventorsTop 50%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #67,809 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4808471 Flat transparent top coat for retroreflective sheeting — 1989-02-28