EH

Edwin A. Halgrimson

AM Amoco: 1 patents #610 of 1,251Top 50%
S( Standard Oil Company (Indiana): 1 patents #254 of 576Top 45%
📍 Naperville, IL: #1,350 of 3,051 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,346,868 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4607389 Communication system for transmitting an electrical signal — 1986-08-19
4573115 Supervisory control system for remotely monitoring and controlling at least one operational device — 1986-02-25