DD

David J. Derwin

SG Superior Graphite: 1 patents #1 of 3Top 35%
📍 Des Plaines, IL: #20 of 61 inventorsTop 35%
🗺 Illinois: #1,298 of 5,218 inventorsTop 25%
Overall (2005): #218,111 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6971819 Electrically conductive pavement mixture Peter L. Zaleski, Walter H. Flood, Jr. 2005-12-06