ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,849, issued on April 8, was assigned to Alger & Klemer LLC (Brooklyn, N.Y.).
"Syringe plunger finger ring structures" was invented by Gennady I Kleyman (Brooklyn, N.Y.) and Alexander Merson (Brooklyn, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A syringe finger ring and finger ring inserts, that in various embodiments, provides or connects to a syringe that comprises a syringe body capable of having a volume of material therein and a plunger disposed to enter the syringe body and dispense material from the syringe body by movement of plunger, and a novel a finger ring related structures having an open area and connected, by various structure...