Michael David Yu

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for attaching a personal electronic device
- Patent number 8,505,790
- Issue date Aug 13, 2013
- David Chen Yu
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Ball joint
- Patent number 8,308,392
- Issue date Nov 13, 2012
- David Chen Yu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for attaching a personal electronic device
- Patent number 8,267,294
- Issue date Sep 18, 2012
- David Chen Yu
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
Ball Joint
- Publication number 20110305504
- Publication date Dec 15, 2011
- David C. Yu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHOD AND APPARATUS FOR ATTACHING A PERSONAL ELECTRONIC DEVICE
- Publication number 20110297711
- Publication date Dec 8, 2011
- David Chen Yu
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
Method and Apparatus for Attaching a Personal Electronic Device
- Publication number 20110297720
- Publication date Dec 8, 2011
- David C. Yu
- A45 - HAND OR TRAVELLING ARTICLES