ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,762, issued on March 17, was assigned to GRAMMER AG (Ursensollen, Germany).

"Vehicle seat" was invented by Sebastian Lingl (Hahnbach, Germany), Michael Niebauer (Oberviechtach, Germany) and Roland Ubelacker (Pfreimd, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a vehicle seat comprising a base frame including a seat portion frame and a backrest frame, and a seat portion displaceable relative to the base frame. The vehicle seat comprises a backrest member, wherein the backrest member is being provided and adapted to be detachably connectable to the backrest frame and the seat part."

The patent was filed on Sept. 2...