P

Assignee

KING GRAHAM

US2 patents

Top patents by PatentIndex Score

US8687650B2Apr 1, 2014

System, method, and computer program product for connecting or coupling analog audio tone based communications systems over a packet data network

KING GRAHAM226 citations96
US8094679B2Jan 10, 2012

Apparatus, method and computer program product for providing automated backup to TDM network connections over an IP network

KING GRAHAM14 citations81