DS

David M. Sanborn

EC E-Tech Co.: 1 patents #1 of 2Top 50%
📍 Roswell, GA: #8 of 15 inventorsTop 55%
🗺 Georgia: #83 of 480 inventorsTop 20%
Overall (1982): #70,087 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4316502 Helically flighted heat exchanger Andrew L. Blackshaw 1982-02-23