DZ

Dennis Ronald Ziegenhagen

IBM: 1 patents #44,794 of 70,183Top 65%
📍 Rochester, MN: #2,036 of 3,042 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,578,263 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6215074 Direct mounting system for a disk drive Michael S. Good, Douglas W. Johnson, Subrahmanyan Nagarajan, Brian L. Rappel, Laurence J. Schmidt 2001-04-10