DR

Deirdre T. H. Ryan

AT AT&T: 2 patents #7,280 of 18,772Top 40%
Overall (All Time): #2,295,690 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5329308 Bidirectional video telephony between cable television and switched telephone systems Walter Patrick Binns, Nuri Ruhi Dagdeviren, Khashayar Mohammadi, Andreas Constantine Papanicolaou, Cheng-Der Tony Yu 1994-07-12
5237604 Arrangement for serving a telephone office code from two switching systems 1993-08-17