DD

Don Howard Dvorak

AT AT&T: 2 patents #7,280 of 18,772Top 40%
Overall (All Time): #2,215,749 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6415024 System and method for special call detection and billing treatment James Patrick Dunn, Mark Alan Lassig, Eugene J. Rosenthal, Ronald D. Slusky 2002-07-02
5905785 Detecting high usage telecommunications lines James Patrick Dunn, Mark Alan Lassig 1999-05-18