KP

Keith A. Pirkl

EF Efusion: 4 patents #4 of 12Top 35%
IT Itxc: 3 patents #9 of 19Top 50%
IS Itxc Ip Holdings S.A.R.L.: 1 patents #21 of 47Top 45%
Overall (All Time): #660,298 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7248675 Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Mojtaba Mirashrafi, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Al J. Simon +3 more 2007-07-24
6661878 Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Mojtaba Mirashrafi, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Al J. Simon +3 more 2003-12-09
6628760 Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call Mojtaba Mirashrafi, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Al J. Simon +3 more 2003-09-30
6304637 Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer Mojtaba Mirashrafi, Ken Pawlak, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler +4 more 2001-10-16
6199096 Method and apparatus for synchronizing information browsing among multiple systems Mojtaba Mirashrafi, Michael F. Buondonno, John D. Elliott, Kenneth L. Keeler, Al J. Simon +2 more 2001-03-06
6026087 Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer Mojtaba Mirashrafi, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Al J. Simon +3 more 2000-02-15
5987102 Method and apparatus for bridging a voice call including selective provision of information in non-audio to the caller John D. Elliott, Mark D. Zuber, Michael F. Buondonno, Kenneth L. Keeler, Mojtaba Mirashrafi +2 more 1999-11-16
5889774 Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call Mojtaba Mirashrafi, John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Al J. Simon +2 more 1999-03-30