ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,584, issued on Dec. 9.
"Extendable door lock" was invented by Bryan Witchey (Jupiter, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An extendable door lock to be applied across the exterior of a door that opens outwards to help prevent illicit passage through the door thereby helping to prevent theft or damage to contents in a room or facility located behind the door. In addition, the extendable door lock can be applied to the interior of a door that happens to open inwards; such use can stop someone illicitly entering an office or other space where, for example, there is someone working late and alone who desires a lock to prevent someone ente...