Chi Lam Yau

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Dover, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for control of a collapsible gravity powered s...
- Patent number 7,547,023
- Issue date Jun 16, 2009
- Chi Lam Yau
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR CONTROL OF A COLLAPSIBLE GRAVITY POWERED S...
- Publication number 20060197294
- Publication date Sep 7, 2006
- Chi Lam Yau
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS