JOHN DESMOND RAINEY

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AUCKLAND, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Educational device for teaching simple and complex mathematical con...
- Patent number 6,413,099
- Issue date Jul 2, 2002
- John Desmond Rainey
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
EDUCATIONAL DEVICE FOR TEACHING SIMPLE AND COMPLEX MATHEMATICAL CON...
- Publication number 20010003644
- Publication date Jun 14, 2001
- JOHN DESMOND RAINEY
- A63 - SPORTS GAMES AMUSEMENTS