Haiyang Cao

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Liaoning Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Closed two-wheel motorcycle with retractable floors
- Patent number 7,815,238
- Issue date Oct 19, 2010
- Haiyang Cao
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Closed Two-Wheel Motorcycle With Retractable Floors
- Publication number 20080197673
- Publication date Aug 21, 2008
- Haiyang Cao
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS