ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,281, issued on Jan. 27.
"Polymer firearm receiver" was invented by James Matthew Underwood (Kennesaw, Ga.) and Larry Cullen Underwood (Canton, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver blank includes a receiver body with a magazine well and an insert. The insert is located internal to the receiver body, and the insert is manufactured before the receiver body. The insert must be removed from the receiver body to convert the receiver blank to a firearm receiver."
The patent was filed on Oct. 11, 2024, under Application No. 18/913,709.
*For further information, including images, charts and tables, please visit: http://patft.uspto....