Inventor · disambiguated record
David A. Zey
Also filed as: ZEY DAVID · ZEY DAVID A
7 granted patents·181 citations·filing 1993–2003
87Inventor score
Top patents by PatentIndex Score
7 records- 0164US5796953ASystem having user terminal connecting to a remote test system via the internet for remotely testing communication networkMCI COMMUNICATIONS CORP·Filed 1996·Granted Aug 18, 1998·60 cites·10 claims
- 0260US6693876B1Selecting IPX/IGX nodes in a multi-domain environmentWORLDCOM INC·Filed 1999·Granted Feb 17, 2004·23 cites·26 claims
- 0358US5479473AMethod and apparatus for testing call paths over long distance carrier networksMCI COMMUNICATIONS CORP·Filed 1993·Granted Dec 26, 1995·30 cites·16 claims
- 0449US7274785B2System and method of manufacture for establishing local payphone calls through long distance carrier switchesMCI COMMUNICATIONS CORP·Filed 2003·Granted Sep 25, 2007·0 cites·11 claims
- 0545US6073164AMethod and article of manufacture for communication to telecommunications switches, such as IPX switchesMCI COMMUNICATIONS CORP·Filed 1997·Granted Jun 6, 2000·20 cites·32 claims
- 0641US6611275B1Method of and apparatus for communicating and scheduling change requestsWORLDCOM INC·Filed 1999·Granted Aug 26, 2003·43 cites·41 claims
- 0735US6718029B1Method and article of manufacture for establishing local payphone calls through long distance carrier switchesMCI COMMUNICATIONS CORP·Filed 1998·Granted Apr 6, 2004·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →