ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,035, issued on April 15, was assigned to Bioteke Corporation (Wuxi) Co. Ltd. (Wuxi, China).

"Swab flocking device, and flock blowing and flocking process for swab" was invented by Zhitu Zhou (Wuxi, China) and Junli Ji (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a swab flocking device and a flock blowing and flocking process for a swab. A conveying drag chain transversely penetrates through a flocking box, several swab hangers are arranged on the conveying drag chain at intervals, and the conveying drag chain is connected to a first motor. Several blowers are arranged on an outer side of the conveying drag chain in the fl...