ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,833, issued on July 8.

"Portable food warmer" was invented by Julanna C. Hanson (Fort Lauderdale, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable food warmer comprises a collapsible plastic dish and a warming cover. The warming cover comprises an expandable material having an elastic periphery and a plurality of heating elements. A temperature controlling mechanism is disposed between the power supply and warming cover."

The patent was filed on Nov. 30, 2021, under Application No. 17/538,102.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&...