Inventor
SPONAUGLE JEFFREY B
US21 patents
⚠️ This page may combine multiple inventors who share the name “SPONAUGLE JEFFREY B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ITXC INC
7 patentsUS6310941B1Oct 30, 2001
Method and apparatus for facilitating tiered collaboration
ITXC INC222 citations96
US6304637B1Oct 16, 2001
Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer
ITXC INC131 citations96
US6661878B1Dec 9, 2003
Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
ITXC INC62 citations95
US6628760B2Sep 30, 2003
Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call
ITXC INC39 citations95
US6788674B1Sep 7, 2004
Method and apparatus for establishing a collect call originated through a packet based network
ITXC INC38 citations89
US6771640B2Aug 3, 2004
Virtual calling card with arbitrary controls
ITXC INC26 citations89
US6778652B2Aug 17, 2004
Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension
ITXC INC25 citations85
KARAMCHEDU MURALI M
6 patentsUS8230517B2Jul 24, 2012
Opaque message archives
KARAMCHEDU MURALI M9 citations82
US8145716B2Mar 27, 2012
Method and apparatus for assigning cost metrics to electronic messages
KARAMCHEDU MURALI M9 citations82
US8332239B2Dec 11, 2012
Automatic patient record update enabled clinical messaging
KARAMCHEDU MURALI M11 citations79
US8122252B2Feb 21, 2012
Cascaded digital signatures
KARAMCHEDU MURALI M2 citations61
US8832822B2Sep 9, 2014
Smart identifiers
KARAMCHEDU MURALI M0 citations40
US8510387B2Aug 13, 2013
Heterogeneous related document attaching for (clinical) messaging
KARAMCHEDU MURALI M0 citations36
KRYPTIQ CORP
3 patentsEFUSION INC
2 patentsUS6026087AFeb 15, 2000
Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
EFUSION INC333 citations98
US6144670ANov 7, 2000
Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension
EFUSION INC164 citations97
ITXC IP HOLDINGS SARL
2 patentsUS7248675B2Jul 24, 2007
Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
ITXC IP HOLDINGS SARL20 citations92
US6865161B1Mar 8, 2005
Method and apparatus for establishing a voice call by way of an electronic mail message
ITXC IP HOLDINGS SARL56 citations92