ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,159, issued on Sept. 30.
"Double-deck passenger vehicle" was invented by Ming C Kuo (Cerritos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A conventional passenger vehicle has a lower deck and an upper deck on both sides of its aisle to double seating areas. Each deck has a ceiling and seat heights about the same as in sedans, hence minimizes the increase of vehicle height. Both decks are divided into seating sections with partition walls, and in a seating section each deck contains only a row of reclining seats. A ladder equips on each upper seating cell. Each seat has a footrest mounted separately on the partition wall in front of the s...