DD

Donald W. Dingfelder

IBM: 1 patents #1,061 of 3,557Top 30%
📍 Winona, MN: #3 of 8 inventorsTop 40%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #158,616 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5630469 Cooling apparatus for electronic chips Matthew A. Butterbaugh, Peter M. Herman, Sukhvinder S. Kang 1997-05-20