DB

David W. Blum

IBM: 3 patents #26,272 of 70,183Top 40%
📍 South Burlington, VT: #470 of 1,136 inventorsTop 45%
🗺 Vermont: #1,707 of 4,968 inventorsTop 35%
Overall (All Time): #1,617,463 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6426660 Duty-cycle correction circuit Shiu Chung Ho 2002-07-30
5757218 Clock signal duty cycle correction circuit and method 1998-05-26
5418484 Line fault detection system with a differential driver John E. Gersbach 1995-05-23