DD

Daniel H. Dawdy

AT AT&T: 1 patents #47 of 261Top 20%
AT American Telephone And Telegraph: 1 patents #42 of 244Top 20%
📍 Marlboro, NJ: #4 of 6 inventorsTop 70%
🗺 New Jersey: #926 of 3,756 inventorsTop 25%
Overall (1989): #123,520 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4879743 PBX and adjunct using multi-frequency tones for communication therebetween Edmund T. Burke, Timothy M. Rubert 1989-11-07