ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,745,745, issued on Sept. 29, was assigned to ANGELCARE CANADA INC. (Montreal).
"Portable litter box and method of use" was invented by Michel Morand (Montreal, Canada) and Hugo Moerman-Rousseau (St-Hubert, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A litter box comprises a body made of at least one flexible elastomeric material, the body having a wall defining a cavity with a top open end. The wall has four generally upstanding wall portions contouring the cavity. A first wall portion has a first minimum height of 8.0 inches or less, a second wall portion having a second minimum height of 10.0 inches or more and being opposite the first wall...