Inventor

HENDERSON KARL

US6 patents

⚠️ This page may combine multiple inventors who share the name “HENDERSON KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WORLDCOM INC

2 patents

US6507644B1Jan 14, 2003

Pre-paid telephone calling card linked to a stored value account

WORLDCOM INC212 citations96

US6404869B1Jun 11, 2002

Preferred billing rate pre-paid telephone calling card

WORLDCOM INC46 citations87

MCI INC

1 patent

US7145989B1Dec 5, 2006

Pre-paid telephone calling card having an associated pre-recorded personal greeting

MCI INC9 citations69

VERISIGN INC

1 patent

US9219769B2Dec 22, 2015

Efficient multiple filter packet statistics generation

VERISIGN INC0 citations51

GALLANT JOHN KENNETH

1 patent

US8463928B2Jun 11, 2013

Efficient multiple filter packet statistics generation

GALLANT JOHN KENNETH0 citations50

BOND JAMES DUKE

1 patent

US8130914B2Mar 6, 2012

Calling card having an associated pre-recorded personal greeting

BOND JAMES DUKE0 citations41