ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,259, issued on Nov. 3.
"Kind of double duct hairdryer" was invented by Yingying Li (Shenzhen, China), Zuowo Xie (Shenzhen, China), Sijia Chen (Shenzhen, China) and Shengbiao Lin (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "That published in this invention belongs to the technical field of blower, it is concretely a kind of double duct hairdryer, including the shell components, which is internally mounted with the driving component, conduction heating component and exhaust component, the internal components can be installed and be set as straight shape, the driving component is mounted at the internal right end of the shell componen...