Assignee
ICQ INC
US4 patents
Top patents by PatentIndex Score
US6389127B1May 14, 2002
Telephone status notification system
ICQ INC290 citations96
US6798873B2Sep 28, 2004
Telephone status notification system
ICQ INC40 citations94
US7068770B2Jun 27, 2006
Telephone status notification system
ICQ INC3 citations60
US7149775B2Dec 12, 2006
Communication system allowing users to know online or network status of sought users
ICQ INC2 citations58