ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,217, issued on March 4, was assigned to The Gillette Co. LLC (Boston).
"Manual toothbrush" was invented by Uwe Jungnickel (Konigstein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oral care implement comprises a head and a handle, the head being repeatedly attachable to and detachable from the handle. The head is at least partially made from a material having a density from about 0.5 g/cm3 to about 1.2 g/cm3, while the handle is at least partially made from a material having a density from about 2.1 g/cm3 to about 3.1 g/cm3."
The patent was filed on July 28, 2023, under Application No. 18/361,100.
*For further information, including i...