ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,637, issued on July 7.

"Trigger lock device" was invented by Harvey Jackson (Pearland, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secure trigger lock for a firearm includes a solid body, an interior region formed within the solid body and adapted to accept a trigger of the firearm via an entrance formed to allow insertion of the trigger into the interior region of the solid body, the trigger when inserted into the interior region resting against an arcuate interior wall of the interior region of the solid body. A heavy jamb security device for a firearm is disclosed. The heavy jamb security device includes a pin lock; two legs coupled to ...