ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,696, issued on Sept. 22.
"Dental mirror tool" was invented by Daniel Tsimerman (Vancouver, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-cleaning dental mirror tool. The dental mirror tool includes a handle portion, a neck portion, a power pack, and a head portion. The handle portion holds the power pack. The power pack is self-contained within a housing. This power pack comprises a motor, a control switch, and one or more batteries. The power pack is removable from the handle portion. An adaptor is affixed to the end of the drive shaft of the motor. The adaptor engages a pinion having a circular bevel gear. The circular bevel gear e...