ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,369, issued on Feb. 3, was assigned to Retractable Technologies Inc. (Little Elm, Texas).
"Syringe with multifunctional plunger handle" was invented by Thomas J. Shaw (Frisco, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical syringe useful for administering an injection or withdrawing a bodily fluid, the syringe comprising a barrel, plunger assembly and a needle assembly having a selectively retractable needle, the plunger assembly further comprising a plunger handle with a plunger seal and a front tip extending forwardly of the plunger seal to extend through the barrel and into the an annular fluid seal disposed in a recess between the...