DS

Donald H. Spethman

EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
📍 Northbrook, IL: #446 of 772 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,900,438 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4916909 Cool storage supervisory controller Anoop Mathur, Ward MacArthur, Steven D. Gabel, Donald Taracks, Jianliang Zhao 1990-04-17