Inventor · disambiguated record
Walter Paul Zahray
Also filed as: ZAHRAY WALTER P · ZAHRAY WALTER PAUL
6 granted patents·304 citations·filing 1992–2010
84Inventor score
Top patents by PatentIndex Score
6 records- 0188US5311583AInternational priority calling system with callback featuresAT & T BELL LAB·Filed 1992·Granted May 10, 1994·175 cites·12 claims
- 0276US6252943B1Telephone network having dual gateway interconnection architecture for handling emergency servicesAT & T CORP·Filed 1999·Granted Jun 26, 2001·100 cites·18 claims
- 0358US6804344B1Telecommunication network having a VPN inter-connection to foreign exchange serviceAT & T CORP·Filed 2001·Granted Oct 12, 2004·6 cites·9 claims
- 0448US6148071AMethod and apparatus for providing calling features independent of the numbering planAT & T CORP·Filed 1998·Granted Nov 14, 2000·12 cites·15 claims
- 0541US5905791AMethod and apparatus for providing combined communication services including local service and toll serviceAT & T CORP·Filed 1997·Granted May 18, 1999·11 cites·27 claims
- 0631US8611360B2System for processing a call with a TDM network and routing the call with an IP networkSHEINBEIN DANIEL·Filed 2010·Granted Dec 17, 2013·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →