DD

Donald L. Duttweiler

AT AT&T: 2 patents #156 of 1,435Top 15%
📍 Rumson, NJ: #1 of 11 inventorsTop 10%
🗺 New Jersey: #539 of 4,679 inventorsTop 15%
Overall (1997): #42,065 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5668865 Echo canceler E-side speech detector Cheng Kim, Ying Get Tao 1997-09-16
5631899 Acoustic echo canceler 1997-05-20