DR

Donald Burnell Rigdon

📍 Watertown, SD: #19 of 83 inventorsTop 25%
🗺 South Dakota: #678 of 2,308 inventorsTop 30%
Overall (All Time): #2,221,392 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6169801 Digital isolation apparatus and method David Levasseur, Richard Miles Wetzel 2001-01-02
6054914 Multi-layer transformer having electrical connection in a magnetic core David A. Abel, Jay E. Grabow, David Levasseur, Richard Miles Wetzel 2000-04-25