Yanlong CHEN

City:

Jiangsu

Country:

China

Published Applications:

Last publication date:

2020-07-30

Top Assignees for applications by Yanlong CHEN

The entities that hold a legal rights for patent applications filed by inventor CHEN Yanlong:

Yanlong CHEN from Jiangsu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Mechanical constant-resistance single prop continuous prop lifting pre-tightening device and method

Apparatus and method for pre-loading mechanical constant-resistance single prop

InventorID:

2459059 ⎘