ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,403, issued on May 27, was assigned to TEMCo INDUSTRIAL LLC (Brenham, Texas).

"Drill powered caulking gun" was invented by Bryan C. Blaylock (Brenham, Texas), Brian Moreland (Brenham, Texas) and Josh L. Leber (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drill powered caulking gun preferably includes a cartridge holder, a lead screw, a lead screw nut, a thrust bearing, a washer and a plunger. The cartridge holder preferably includes a front end cap, a cartridge support member and a rear end cap. The lead screw preferably includes a threaded diameter, a hex drive member, a thrust bearing shoulder and a threaded end. The threaded ...