ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,464, issued on Sept. 9, was assigned to HEFEI YAOZHONG INTERNATIONAL TRADE Co. LTD. (Hefei, China).
"Powder sprayer" was invented by Jinhui Hong (Anhui, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A powder sprayer includes a powder storage tank, a nozzle communicated with the powder storage tank, a telescopic rod, and a balloon. The telescopic rod is communicated with the powder storage tank and is spaced apart from the nozzle. A length of the telescopic rod is adjustable. The balloon is communicated with one end of the telescopic rod away from the powder storage tank. By such configurations, an application range of the powder sprayer is i...