Changging Wan

City:

Beijing

Country:

China

Published Applications:

Last publication date:

2005-01-20

Top Assignees for applications by Changging Wan

The entities that hold a legal rights for patent applications filed by inventor Wan Changging:

Changging Wan from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Method for backing up and recovering data in the hard disk of a computer

InventorID:

4771769 ⎘