Tianyun ZHAO

Follow

Person

BEIJING, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Portable power-saving and foldable electric wheel chair
- Patent number 7,624,826
- Issue date Dec 1, 2009
- Tianyun Zhao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SUNSHINE ANGLE ADJUSTABLE SOLAR ENERGY ELECTRIC WHEEL CHAIR
- Publication number 20110240380
- Publication date Oct 6, 2011
- Tianyun Zhao
- B60 - VEHICLES IN GENERAL
Information Patent Application
Light power-saving foldable electric wheelchair having a solar ener...
- Publication number 20100193262
- Publication date Aug 5, 2010
- Tianyun Zhao
- B60 - VEHICLES IN GENERAL
Information Patent Application
Portable Power-Saving and Foldable Electric Wheel Chair
- Publication number 20070040349
- Publication date Feb 22, 2007
- Tianyun ZHAO
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE