ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,761, issued on Nov. 4, was assigned to Retractable Technologies Inc. (Little Elm, Texas).
"Dosage verification system and method for safety syringe" was invented by Thomas J. Shaw (Frisco, Texas), Kathryn Duesman (Pilot Point, Texas), Mark Small (Heavener, Okla.) and Ni Zhu (McKinney, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dosage verification system for use prior to administering an injection of a medicinal fluid drawn into a medical syringe, the system comprising a medical syringe having a barrel with an outwardly facing, flat indicia display surface, plunger having a plunger seal disposed inside and slidably engaging an inwardly fac...