Charlie K. Han

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Fremont, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Three dimensional geometrical puzzle
- Publication number 20060061033
- Publication date Mar 23, 2006
- Charlie K. Han
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Geometric magic puzzle
- Publication number 20030227131
- Publication date Dec 11, 2003
- Charlie K. Han
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Geometric magic puzzle
- Publication number 20030155709
- Publication date Aug 21, 2003
- Charlie K. Han
- A63 - SPORTS GAMES AMUSEMENTS