JO

John C. Opfer

SE S&C Electric: 1 patents #5 of 13Top 40%
📍 Chapel Hill, NC: #4 of 25 inventorsTop 20%
🗺 North Carolina: #129 of 673 inventorsTop 20%
Overall (1982): #51,884 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4324959 Pre-insertion resistor mechanism for a circuit interrupting device Walter J. Hall 1982-04-13