CS

Calvin J. Stein

TL Telstra Corporation Limited: 2 patents #6 of 94Top 7%
Overall (All Time): #1,568,966 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7720204 Method of establishing a communications call Victor Wiener, Carlos Escobar 2010-05-18
6324264 Method of establishing a communications call Victor Wiener, Carlos Escobar 2001-11-27
5519770 Enhanced telephony apparatus and system 1996-05-21