ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,375, issued on May 27.
"Open frame revolver with changeable drum" was invented by Melik Hovhannisyan (North Hollywood, Calif.) and Garegin Meliki Hovhannisyan (Glendale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An open frame revolver may have an upper frame and lower frame pivotally connected together, an opening located in between the upper frame and the lower frame. A spring assembly may be located in the lower frame and a trigger assembly located in the lower frame, wherein the trigger assembly is connected to the spring assembly. A tension axle located in the lower frame, wherein the tension axle on one end connected to the trigger ...