ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,390, issued on June 2, was assigned to Shenzhen Anice Technology Co. Ltd. (Shenzhen, China).
"Waterproof distress alarm device" was invented by Huade Liang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproof distress alarm device is provided. The waterproof distress alarm device includes a housing, a base, a main board, a battery holder, a buzzer, an LED light board, a supporting frame, a waterproof membrane, a top cover, and a floating ring, the base is capable of being separated from the housing, at this time, the alarm is triggered to work. The alarm signal is transmitted to the buzzer through a wire, and LED light board i...