IP Library › Granted Patent US 6,564,962
Granted Patent Utility
US 6,564,962 · App. 10/083,122

Renovated structure of bowl with function of rotating and changeable patterns

Inventor: I Fen Cheng
Patented Case View Patent ↗
Granted: May 20, 2003 Filed: Feb 27, 2002
Inventor
I Fen Cheng

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Quick Facts
Patent No.
US 6,564,962
App. No.
10/083,122
Filed
2002-02-27
Granted
2003-05-20
Kind
B1