ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,800, issued on May 20.

"Partially transparent bath toy" was invented by Lynzee Ittah (Boca Raton, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hollow thermoplastic toy for use in a child's bath, having a vent hole, is provided with a transparent region and an opaque region. The transparent region serves as a window into the interior, permitting visual detection of the growth of mold or mildew within the toy. This represents an improvement over prior art toys of completely opaque construction, within which mold and mildew can grow unseen and unchecked. The toys of the invention facilitate timely cleaning of the toys' interior surfaces."

The...