ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,830, issued on April 7, was assigned to Griggs & Associates Inc. (Eureka, Calif.).

"Tunnel gates for crab pots, crab pots including the same, and related method" was invented by Seth Justin Griggs (Eureka, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Tunnel gates for crab pots, crab pots including the same, and related methods. The tunnel gates include a gate frame that defines an entry opening. The tunnel gates also include a trigger mount, which is positioned within an upper gate region of the tunnel gate, and a plurality of trigger bars, which are pivotally attached to the trigger mount and extend toward a lower gate region of the tunnel...