ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,823, issued on Nov. 4.
"Stop fire" was invented by Humberto Pena (Bronx, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and method for disposing of hot coals, e.g. charcoal briquettes after barbecuing or coals from a campfire. Sand rain water are provided in a double-chamber device to cool it below ignition temperature. By strategically deploying the apparatus in campgrounds and forest preserves, park rangers may provide campers and hikers with a more effective tool for ensuring the fire is fully extinguished. Sand rain water are provided in a double-chamber device to cool it below ignition temperature."
The patent was filed on Dec. 1...