WH

Walter J. Hall

SE S&C Electric: 2 patents #1 of 13Top 8%
📍 Evanston, IL: #5 of 47 inventorsTop 15%
🗺 Illinois: #186 of 2,749 inventorsTop 7%
Overall (1982): #6,631 of 81,411Top 9%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4338499 Anti-paralleling apparatus for high-voltage gear Leonard V. Chabala 1982-07-06
4324959 Pre-insertion resistor mechanism for a circuit interrupting device John C. Opfer 1982-04-13