ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,470, issued on Nov. 4.
"Dental material dispenser system with marking" was invented by Jagjot Randhawa (Brampton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a dental material carrier and a dispenser gun thereof configured to mark the amount of a dental material used or remained in the dental material carrier. The dental material carrier comprises a body with opaque scratchable colored markings and to be pre-loaded with a predetermined amount of a dental filling material. The dispenser gun having a housing configured to receive the dental material carrier and a piston with an extended metal bar attached to the pisto...