Assignee
NETNUMBER INC
US4 patents
Top patents by PatentIndex Score
US6748057B2Jun 8, 2004
Method and apparatus for correlating a unique identifier, such as a PSTN telephone number, to an internet address to enable communications over the internet
NETNUMBER INC158 citations96
US7522931B2Apr 21, 2009
Method and apparatus for accessing a network computer to establish a push-to-talk session
NETNUMBER INC21 citations86
US12499148B2Dec 16, 2025
Apparatus and method for providing telecommunication routing data
NETNUMBER INC0 citations41
US12368801B2Jul 22, 2025
Verified calling party information display confirmation system
NETNUMBER INC0 citations30