WF

William J. Friehauf

IBM: 2 patents #32,839 of 70,183Top 50%
📍 Thornton, CO: #181 of 517 inventorsTop 40%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,340,354 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4707753 Disk drive head access mechanism Donovan M. Janssen, Alan J. Kirton, Michael E. Nard, Leroy Rose 1987-11-17
4636892 Flexible disk drive optimized for automated manufacture Donovan M. Janssen, Alan J. Kirton, Robert M. Murphy, Leroy Rose 1987-01-13