Trademark Overview
On Wednesday, September 24, 2025, a trademark application was filed for DUOLINK with the United States Patent and Trademark Office. The USPTO has given the DUOLINK trademark a serial number of 99410028. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Wednesday, September 24, 2025. This trademark is owned by HebeiYoungWillHealthTechnologyCo.,Ltd.. The DUOLINK trademark is filed in the Medical Instrument Products category with the following description:
Breast prostheses; Heartbeat measuring apparatus; Massaging apparatus for personal use; Massagers in the nature of electromechanical massage mechanism for chairs; Electric massage appliances, namely, electric vibrating massager; Inflatable life-sized dolls used in sexual activity; Lactation massage bars; Adult sexual stimulation aids, namely, artificial penises,
penis enlargers, vibrators,
benwa balls, artificial vaginas; Massage chairs with built-in massage apparatus; Massage apparatus and instruments; Massage apparatus; Sex dolls