ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,381, issued on Oct. 7, was assigned to United States Luggage (Hauppauge, N.Y.).

"Push button expansion system for luggage" was invented by Richard Krulik (Northport, N.Y.), Adam Courter (Long Beach, N.Y.), Hayley Lawson (Long Beach, N.Y.) and Jon Davies (Riverhead, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compression-expansion device for an article of luggage and luggage comprising same is disclosed. In one embodiment, the device comprises a base comprising axially-disposed, spaced-apart, parallel passageways; a latch pivotably disposed on the base between the passageways and having a tongue projection; an expansion body comprising condu...