ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,422, issued on March 31.

"Railroad tie handler" was invented by Brandon J. Makovsky (Prentice, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulically powered railroad tie handler can be attached to a crane on the rear of a truck which can travel either over rails or over pavement. The tie handler has seven hydraulic functions: clamping a main body to underlying rails, gripping a new or old railroad tie, stroking to move the gripped tie laterally under the rails, pivoting the stroker relative to the main body of the tie handler angle the stroker path relative to the main body, tilting of the gripper head relative to the stroker, pivotin...