ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,247, issued on April 14.
"Universal bed sheet retaining device" was invented by Laisong Tang (Dongguan City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a universal bed sheet retaining device. The device comprises a force-bearing base plate having a generally square configuration. Two adjacent sides of the top surface of the force-bearing base plate are respectively provided with a contact support plate. The top end of each contact support plate is provided with an arc-shaped bent plate, and one end of the arc-shaped bent plate away from the contact support plate is fixedly connected to a fixed insertion pla...