Kamran W. Mir

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Prepaid telephone calling card with message recording capability
- Patent number 7,180,990
- Issue date Feb 20, 2007
- MCI, LLC
- Karl M. Henderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for automated customer support services
- Patent number 6,542,601
- Issue date Apr 1, 2003
- David Hernandez
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pre-paid telephone calling card linked to a stored value account
- Patent number 6,507,644
- Issue date Jan 14, 2003
- WorldCom, Inc.
- Karl Henderson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Preferred billing rate pre-paid telephone calling card
- Patent number 6,404,869
- Issue date Jun 11, 2002
- WorldCom, Inc.
- Karl Henderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for automated customer services
- Patent number 6,327,363
- Issue date Dec 4, 2001
- MCI WorldCom, Inc.
- Karl M. Henderson
- G06 - COMPUTING CALCULATING COUNTING