ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,013, issued on Oct. 21, was assigned to GRAMMER AG (Ursensollen, Germany).

"Upholstery structure of a vehicle seat with spring elements" was invented by Thomas Pollinger (Regensburg, Germany), Christopher Neidl (Schmidgaden, Germany) and Sebastian Wegmann (Regensburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a vehicle seat, in particular for rail transport, with a seat part, with a backrest part and with a soft upholstery section arranged on at least one hard seat plate for upholstering a seat surface of the seat part, in which the upholstery section has an upholstery cover on the upper side and an upholstery f...