DG

Donald M. Gerth

AT AT&T: 2 patents #7,280 of 18,772Top 40%
Overall (All Time): #2,212,346 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6370373 System and method for detecting cloning fraud in cellular/PCS communications Yogeesh H. Kamath, Timothy J. Rooney 2002-04-09
5740234 Telephone call monitoring method and apparatus James E. Black, Jr., Bret A. Cooper, Brian Freeman, Richard Jordan, Steven T. Kaish +6 more 1998-04-14