ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,211, issued on May 26, was assigned to Seneca Devices Inc. (Durham, N.C.).

"Devices and systems for moving a person on a support apparatus" was invented by Samuel T. Fox (Durham, N.C.) and Jeremy Y. Nezaria (Wakefield, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations include a device for moving a person on a support apparatus. The device includes a base, an expandable volume, a sheet coupler, and a sheet. The base is separate from the support apparatus and has a support apparatus coupler for coupling adjacent a head of the support apparatus. The expandable volume is disposed between first and second sides of the base. A fi...