Ying-Da Wu

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Kaohsiung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Direction and speed control device for an electronic wheelchair
- Patent number 7,974,753
- Issue date Jul 5, 2011
- Kwang Yang Motor Co., Ltd.
- Yang-Chi Kuo
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Direction and speed control device for an electronic wheelchair
- Publication number 20080154463
- Publication date Jun 26, 2008
- Kwang Yang Motor Co., Ltd.
- Yang-Chi Kuo
- B60 - VEHICLES IN GENERAL