ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,954, issued on Nov. 18, was assigned to Access Business Group International LLC (Ada, Mich.).

"Handheld skin treatment device" was invented by Soha Jeon (Seoul, South Korea) and Jaehyeon Joo (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A skin treatment device configured to selectively operate in hydradermabrasion mode and in massage mode. The skin treatment device includes a working end and a plurality of interchangeable working attachments that can be selectively mounted to the working end. The working attachments includes at least one hydradermabrasion tip and at least one massage head. The device includes a liquid delivery s...