System and method for maintaining presence and communicating over a computer network using the HTTP protocol | Patent Publication Number 20070112965

US 20070112965 A1
Patent NumberUS 07631087 B2
Application Number11619914
Filled DateJan 4, 2007
Priority DateNov 17, 1999
Publication DateMay 17, 2007
Original AssigneePlanet Exchange Inc.
Current AssigneeRpx Corporation
Inventor/ApplicantsOleg PANASHCHENKO
Oleg Panashchenko
Paul S. EFTIS
Paul S. Eftis
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