ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,829, issued on Sept. 1.

"Trigger mechanism" was invented by Shui Lau (Lewis Center, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger mechanism, including a trigger having a trigger shoulder; a trigger sear having a trigger sear shoulder, and wherein the trigger and the trigger sear are positioned such that at least a portion of the trigger shoulder is able to at least partially contact at least a portion of the trigger sear shoulder; a hammer sear having a hammer sear shoulder; a hammer having a hammer shoulder, and wherein the hammer and the hammer sear are positioned such that at least a portion of the hammer shoulder is able to at le...