ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,066, issued on April 15, was assigned to HERMES SELLIER (Paris).

"Method for producing a finished leather substitute" was invented by Lise Picaut (Montmorency, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a finished leather substitute, finished leather substitutes obtainable by such method, and uses thereof are provided. Specifically, a method for producing a finished leather substitute is provided, comprising providing a sheet material grown from mycelium having a top surface layer and a bottom surface, and applying at least one finishing coating to the bottom surface only."

The patent was filed on Jan. 17, 2023, und...