DW

Douglas C. Wiegman

📍 La Grange Park, IL: #19 of 56 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,677,943 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4592018 Removable RAM package for ambulatory medical monitor 1986-05-27
4230944 X-ray system exposure control with ion chamber James A. Grichnik 1980-10-28
4189645 X-ray measuring system Edward L. Chaney 1980-02-19