ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,414,633, issued on Sept. 16, was assigned to VOSSON INC (Tustin, Calif.).
"Modular sofa" was invented by Tongpei Song (Heze, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a modular sofa includes: at least one pull-out sofa bed module, and at least one module of a single seat module, a corner seat module, an ottoman module, and a love seat module. Various modules are connected to each other through a second type of connecting member. The pull-out sofa bed module includes a second base portion, a second backrest portion, and a pull-out portion, where the second backrest portion is configured to provide leaning suppor...