ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,537, issued on Sept. 30, was assigned to PROTEC Co. LTD. (Gyeonggi-do, South Korea).
"Hybrid spray pump" was invented by Seung Min Hong (Seoul, South Korea), Eui Keun Choi (Seoul, South Korea), Soo Bin Oh (Gyeonggi-do, South Korea) and Keon Hee Kim (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hybrid spray pump which sprays and applies a viscous liquid in a fine particle state to a material. The hybrid spray pump sprays effectively fine particles of the viscous liquid according to various characteristics of the viscous liquid ranging from low to high viscosity, and improves the quality of a particle application ...