Shanghai
China
5
2023-11-02
The entities that hold a legal rights for patent applications filed by inventor LI Guoping:
Guoping LI from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
PTC LIQUID HEATING DEVICE
#2 | 2020-10-01PTC liquid heating device
#3 | 2019-08-08Pumps with a waterproof structure
#4 | 2018-02-01PTC HEATER FOR LIQUID HEATING
#5 | 2018-02-01PTC LIQUID HEATER
2105383 ⎘