ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,832, issued on May 6.

"Heat gun engaging roller tool for use in applying adhesive sheet material to surfaces" was invented by Kenneth J. Calman (Fort Lauderdale, Fla.) and Kathryn S. Calman (Fort Lauderdale, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller with a roller attachment adapted to be releasably engaged or attached to the output tube of a heat gun and to direct that hot air output toward the sheet material at a point where it is being applied ahead of the roller, and a method of applying a sheet material by comprising smoothing the sheet material against a surface."

The patent was filed on June 25, 2021, under Application No. ...