DR

David Jonathan Reader

AT AT&T: 3 patents #5,550 of 18,772Top 30%
Overall (All Time): #1,597,172 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6850504 Access to communications systems Qiang Cao, Lorenz Fred Freiberg 2005-02-01
6353598 Asymmetric multiple access protocol for a communication system Charlotte Baden, Qiang Cao, Lorenz Fred Freiberg 2002-03-05
6292471 Power control for mobile wireless communication system Qiang Cao, Lorenz Fred Freiberg 2001-09-18