ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,538,991, issued on Feb. 3, was assigned to Lazy Daisy Bed Sheets LLC (Phoenix).

"Crib mattress cover system" was invented by Carsyn Schuch (Phoenix) and Georgia Perfrement (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crib mattress cover system includes a crib mattress cover configured to extend over a crib mattress with the top cover extension extending over the top of the crib mattress and having crib mattress attachments, such as hook-and-loop fastener configured in the corners of the top cover extension. A crib sheet is configured to detachably attach to the crib mattress cover via crib sheet attachments, again hook-and-loop fasteners, th...