Beijing
China
4
2024-08-08
The entities that hold a legal rights for patent applications filed by inventor Guo Weiling:
Weiling Guo from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
HIGH-PERFORMANCE COMPOSITE COATING AND PREPARATION METHOD AND USE THEREOF
#2 | 2024-02-08SMALL-SIZE AXIAL POWDER FEEDING INNER HOLE PLASMA SPRAYING GUN
#3 | 2023-10-26Preparation method and device of composite coating for resin matrix composite
#4 | 2005-03-31High efficiency multi-active layer tunnel regenerated white light emitting diode
4814591 ⎘