ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,858, issued on Oct. 14, was assigned to TECHTRONIC CORDLESS GP (Anderson, S.C.).
"Backpack sprayer" was invented by Qi Li (Dongguan, China), Waifa He (Dongguan, China), Zhengjun Wang (Dongguan, China), Hunter Brown (Anderson, S.C.) and Spencer Mitchell (Anderson, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backpack sprayer is disclosed for dispensing different fluids. The backpack sprayer includes a housing with a bottom face and a dispensing assembly. The housing defines a fluid container, a battery compartment for receiving a battery, and a chamber for receiving a control assembly and a pump assembly. The dispensing assembly can dispense...