ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,900, issued on March 18, was assigned to Bridgestone Bandag LLC (Nashville, Tenn.).

"Method and apparatus for dual tire buffing and handling" was invented by John S. Lindsay (Nashville, Tenn.), Jeremy D. Gray (Nashville, Tenn.) and James A. Kendall Jr. (Nashville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual tire buffing apparatus includes a turntable having a first end and an opposite second end. The turntable is rotatable about a central axis between first and second positions. A first expandable hub is rotatably coupled to the turntable proximate the first end. The first expandable hub is configured to receive a first tire casing....