ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,829, issued on Dec. 16.

"Security mesh insert for door" was invented by Douglas A. Denton (Sacramento, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high strength mesh insert that can be installed into any type of door such as solid doors, hollow doors, interior doors, and exterior doors. The insert includes: a nine panel mesh insert, an exterior trim assembly, an interior trim assembly, an internal door hatch, and a plurality of fasteners. The shape of the nine panel mesh insert provides superior strength to the insert wherein a properly installed insert can withstand several hard blows from a sledge hammer without breaking or breaching. ...