ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,780, issued on Oct. 14, was assigned to GOERTEK INC. (Weifang, China).
"Application device" was invented by Chunfa Liu (Shandong, China), Jianbin Yang (Shandong, China), Jianxin Wang (Shandong, China) and Shousong Qiang (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an application device, comprising a plurality of elastic members, each elastic member comprises a first connecting portion, a second connecting portion and a deformation portion therebetween, the first connecting portion and the second connecting portion are respectively connected to different members in the application device, and the different members are ...