ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,155, issued on Feb. 10, was assigned to Premier Products Inc. (Marlton, N.J.).

"VAN/RV lay-flat sofa-bed and method of use" was invented by David Slater (Elkhart, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable sofa-bed assembly for use within a vehicle such as a van or RV. The sofa-bed includes a seat portion, a back portion, and either a permanently fixed base or a removable leg portion which allows the legs to be installed into the vehicle prior to installing the seat and back portions to allow for additional elements to be installed beneath the sofa-bed, such as power elements for a powered sofa-bed assembly or for other equipm...