Arn J. Schaeffer

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Belmont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Object-oriented event notification system with listener registratio...
- Patent number 6,424,354
- Issue date Jul 23, 2002
- Object Technology Licensing Corporation
- John R. Matheny
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Menu state system
- Patent number 6,259,446
- Issue date Jul 10, 2001
- Object Technology Licensing Corporation
- John R. Matheny
- G06 - COMPUTING CALCULATING COUNTING