ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,301, issued on June 30, was assigned to Palmetto State Armory LLC (Columbia, S.C.).
"Integrated feed ramp for a shotgun" was invented by Thaddeus Boruchowski (Columbia, S.C.), Ryan Crisp (Columbia, S.C.), Chris Daniels (Columbia, S.C.), Ralph Stephen Fisher (Columbia, S.C.), Mark Mnich (Columbia, S.C.) and Thomas Victa (Columbia, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is an integrated feed ramp for a shotgun, methods for making same, and methods of retrofitting existing firearms, wherein the integrated feed ramp feeds shells directly into the loading port of the magazine tube of the shotgun."
The patent was filed on Ja...