JE

John E. Ehrreich

ER Ercon: 1 patents #1 of 1Top 100%
📍 Wayland, MA: #4 of 24 inventorsTop 20%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #53,329 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4319920 Novel electroconductive compositions and powder for use therein 1982-03-16