Ronald H. Tegethoff

AT AT&T: 1 patents #10,626 of 18,772Top 60%

NC Nms Communications: 1 patents #14 of 49Top 30%

Overall (All Time): #2,182,388 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
6925175	Long-haul path length delay estimator and compensator for an echo canceller	—	2005-08-02
4546216	Echo suppressor for improving echo canceler performance	—	1985-10-08