ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,415, issued on Feb. 3, was assigned to DAEYANG MEDICAL Co. LTD. (Wonju-si, South Korea).

"High frequency treatment handpiece having roller electrodes" was invented by Jeong-Sub Yun (Wonju-si, South Korea) and Kwang Seok Seo (Wonju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a high frequency treatment handpiece having roller electrodes. The handpiece includes: a handpiece casing part; and a plurality of roller electrode members rotatably positioned on a lower surface of the handpiece casing part and applying a high frequency by being brought into contact with the skin. The handpiece prevents burning when the continuous ...