ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,701, issued on July 8, was assigned to SUMMIT LEED LLC (Akron, Ohio).
"Injection gun" was invented by Daniel Charles Beck (Akron, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An injection gun includes a filler material injection assembly. The filler material injection assembly includes a pressure regulator handle to control a flow of filler material, a four-way valve, a pressure gauge, a pressure release valve assembly, and a first output coupling. The four-way valve is connected to the pressure regulator handle. A first port of the four-way valve is connected to the pressure regulator handle to receive the filler material under pressure. The ...