Patents/Inventors

Eui Keun Choi

SeoulKR3 patents

3 Patents

US124275372025
Hybrid Spray Pump
PROTEC CO., Ltd.
0 cites
US121386502024
Apparatus for Ejecting Viscous Liquid Aerosol
PROTEC CO., Ltd.
0 cites
US121045882024
Low Hysteresis Piezo-electric Pump
PROTEC CO., Ltd.
0 cites