RJ

Ruth M. Johnson

3M: 1 patents #132 of 563Top 25%
📍 Minneapolis, MN: #41 of 227 inventorsTop 20%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #60,153 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845027 Fluorometric assay of allergic reactions Emanuel Calenoff, Yuh-Geng Tsay, John Scott 1989-07-04