ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,074, issued on Feb. 10, was assigned to Lifetech Scientific (Shenzhen) Co. Ltd. (Guangdong, China).

"Delivery device and delivery system" was invented by Mingjuan Fu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A delivery device (40) and a delivery system (100) are provided. The delivery device (40) includes an operating handle (410), a regulating member (420) and a first driving assembly (450), where the operating handle (410) includes an accommodating cavity; in a natural state, the regulating member (420) includes a bent section (422), and an end of the regulating member (420) that is away from the bent section (422) extends in...