ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,315, issued on Dec. 16.
"Grey hair removal component, hair comb and system" was invented by Jianbin Bao (Edmonton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a grey hair removal component, and a grey hair removal comb and a grey hair removal system composed of several grey hair removal components. The grey hair removal component includes at least one housing, and at least one identification unit and a grey hair removal unit arranged within the housing (0), and further includes a sensing unit arranged at an end of the housing, and the sensing unit responds to the contact of the component with a scalp and outputs a s...