Donald Bruce Keeler

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Content-based billing service for wireless prepaid subscribers
- Patent number 8,644,797
- Issue date Feb 4, 2014
- Apple Inc.
- Ian MacLean
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Providing a supplementary service in a mobile communications system
- Patent number 6,801,781
- Issue date Oct 5, 2004
- Nortel Networks Limited
- Curtis M. Provost
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method, and program for controlling access to data services...
- Patent number 6,628,954
- Issue date Sep 30, 2003
- Nortel Networks Limited
- Rosemary McGowan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for delivering and presenting calling name inf...
- Patent number 6,061,560
- Issue date May 9, 2000
- Nortel Networks Corporation
- Khosrow Tony Saboorian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Content-based billing service for wireless prepaid subscribers
- Publication number 20030120499
- Publication date Jun 26, 2003
- Ian MacLean
- G06 - COMPUTING CALCULATING COUNTING