James A. Campbell

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for providing segmented applications
- Patent number 8,340,264
- Issue date Dec 25, 2012
- InterVoice Limited Partnership
- James A. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing segmented applications
- Patent number 7,397,909
- Issue date Jul 8, 2008
- InterVoice Limited Partnership
- James A. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Using concurrently operating routines in telephony applications
- Patent number 6,795,535
- Issue date Sep 21, 2004
- InterVoice Limited Partnership
- Eric Weeren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Debit card system without centralized server
- Patent number 6,453,029
- Issue date Sep 17, 2002
- InterVoice Limited Partnership
- James A. Campbell
- G06 - COMPUTING CALCULATING COUNTING