ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,441, issued on April 21, was assigned to STEWART TUBULAR PRODUCTS LLC (Houston).
"3D printed drift device" was invented by Christopher Blanchard (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drift device, including a cylindrical main body having a hollow inner cavity, a front portion including a channel configured to receive a bumper, the cross bar including a central indentation, and a rear portion. The rear portion may include a plurality of openings or selectively removable panels. The cylindrical main body, the front portion, and the rear portion are formed together as a single piece."
The patent was filed on Oct. 27, 2023, under A...