DH

Dave S. Henderson

SS Sevis Systems: 1 patents #9 of 9Top 100%
Overall (All Time): #3,523,849 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6625273 System and method for a local number portability cache Mike Ashdown, Hu Shen 2003-09-23