RK

Richard Harry Ketchum

AT AT&T: 1 patents #419 of 1,481Top 30%
📍 Wheaton, IL: #20 of 68 inventorsTop 30%
🗺 Illinois: #1,559 of 5,780 inventorsTop 30%
Overall (2003): #134,666 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6606595 HMM-based echo model for noise cancellation avoiding the problem of false triggers Rathinavelu Chengalvarayan, Anand Rangaswamy Setlur, David Thomson 2003-08-12