ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,849, issued on April 15.
"Introduction needle and tattoo device" was invented by Tingting Xia (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An introduction needle includes a needle piercing portion. The needle piercing portion comprises a needle tooth and a substrate; the needle tooth is fixedly disposed on a portion of a first side surface of the substrate; and when the needle tooth pierces into the skin, the remaining portion of the first side surface of the substrate is configured to abut against an outer surface of the skin."
The patent was filed on April 30, 2024, under Application No. 18/650,158.
*For further information, inc...