Chengdon Wu

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Allen, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for toilet seat with three-dimensional image a...
- Patent number 9,636,896
- Issue date May 2, 2017
- Topseat International, Inc.
- Chengdon Wu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR TOILET SEAT WITH THREE-DIMENSIONAL IMAGE A...
- Publication number 20140033417
- Publication date Feb 6, 2014
- Topseat International, Inc.
- Chengdon Wu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...