ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,026, issued on July 1, was assigned to Rocket Innovations Inc. (Boston).

"Moisture-erasable note taking system" was invented by Joseph Lemay (Marblehead, Mass.) and Jacob Epstein (Concord, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of reusing a notebook provides a notebook having a synthetic-paper page. The method also provides a thermochromic ink pen which, when used to write on the synthetic paper page, leaves thermochromic ink markings. The method further provides a moisture carrier configured to have a liquid diffused therein. The moisture carrier is configured to erase the thermochromic ink markings from the synthetic-paper pa...