AS

Andrew C. Shum

SE S&C Electric: 2 patents #1 of 13Top 8%
📍 Des Plaines, IL: #7 of 64 inventorsTop 15%
🗺 Illinois: #564 of 5,663 inventorsTop 10%
Overall (2004): #72,889 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6696658 Circuit interrupter and operating mechanism therefor Henry W. Kowalyshen 2004-02-24
6674027 Operating arrangement for mechanism Henry W. Kowalyshen, John C. Opfer 2004-01-06