Shui-Tan Tzeng

Follow

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Tutorial device for observing lunar phase
- Patent number 5,114,348
- Issue date May 19, 1992
- Shui-Tan Tzeng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-function globe with its related planets
- Patent number 4,747,780
- Issue date May 31, 1988
- Shui-Tan Tzeng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
TIME ZONE TUTORIAL DEVICE
- Publication number 20130052627
- Publication date Feb 28, 2013
- Shui-Tan TZENG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS