ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,488, issued on May 13, was assigned to FENO LABS INC. (Wilmington, Del.).

"Handle assemblies with oscillator assemblies contained therein and teeth cleaning systems that utilize the same" was invented by Rasvir Mustan (Olathe, Kan.), Andreas Singh Dierks (Copenhagen, Denmark) and Daniel Stage Kristoffersen (Copenhagen, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A teeth cleaning system, which provides improved coverage or brushing area. The system includes an actuated tray comprises brushing elements. The brushing elements may be positioned to engage the front, rear, and top surfaces of the upper and lower jaw teeth. The actuation may be ...