DD

David C. Danielson

AT AT&T: 1 patents #47 of 261Top 20%
AT American Telephone And Telegraph: 1 patents #42 of 244Top 20%
AS American Telephone And Telegraph Company, At&T Information Systems: 1 patents #4 of 16Top 25%
📍 Rowayton, CT: #1 of 4 inventorsTop 25%
🗺 Connecticut: #155 of 1,954 inventorsTop 8%
Overall (1989): #29,659 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D304587 Telephone dialer adjunct James Joseph Hartmann, John N. McGarvey, Alvin R. Tilley, John M. Wuerz 1989-11-14
D303114 Telephone set Norman K. Hart, Lynnet Koh, John N. McGarvey, Eugene A. Mills 1989-08-29