Inventor

MIR KAMRAN

US3 patents

⚠️ This page may combine multiple inventors who share the name “MIR KAMRAN”. 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

(unassigned)

1 patent

US6542601B1Apr 1, 2003

Method and system for automated customer support services

82 citations95