WI

William E. Ingold

📍 Coon Rapids, MN: #155 of 498 inventorsTop 35%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,668,925 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D311524 Keyboard Arthur B. Lazere, Bradley N. Knilans 1990-10-23
D311384 Keyboard Arthur B. Lazere, Bradley N. Knilans 1990-10-16
4581603 Switch matrix key closure validation device and method Dominic J. Daninger 1986-04-08