Chenchen FEI

City:

Hangzhou

Country:

China

Published Applications:

Last publication date:

2023-06-22

Top Assignees for applications by Chenchen FEI

The entities that hold a legal rights for patent applications filed by inventor FEI Chenchen:

Chenchen FEI from Hangzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Portable pipe dredging machine and dredging method

HANDHELD LITHIUM BATTERY THREADING MACHINE AND THREADING METHOD

BENCH PIPE THREADING MACHINE AND THREADING METHOD

InventorID:

5676544 ⎘