ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,265, issued on March 4.
"Erasable writable substrates and methods of manufacture" was invented by Kelly J. Taylor (Long Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic erasable writable material for large format applications is disclosed, and includes a cast polyvinylchloride film with a mount surface opposite an etched receiver surface. Also incorporated is a transparent polyester film that has a marking side with a first predetermined hardness and an opposite seal side, laminated to the receiver surface. The marking side includes a clear superstrate that has a second predetermined hardness and applied to the marking side of...