ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,794, issued on May 19.

"Dog place marker system and method" was invented by Alisa Charpentier (Houma, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dog place marker system and method providing a place-marker unit formed as a planar mat of a colored single-ply waterproof fabric with a low-profile binding, grommets, and a leash opening, having an electronic subsystem with a main electronic unit, a power unit, a controller, an RF antenna, and a sensor unit. The proximity of the dog to the place-marker unit can be sensed and reported through a remote unit to a person who is not in the immediate vicinity of the dog and the place-marker unit. In a p...