DS

David Frank Simak

AT AT&T: 2 patents #7,280 of 18,772Top 40%
Overall (All Time): #2,220,222 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6484202 Method and apparatus for determining the status of a transmission link Douglas E. LeDuc 2002-11-19
6182266 Self-auditing protection method for sorted arrays Sherwin J. Clutter 2001-01-30