A seat assembly device having a lower drawer storage compartment and being convertible into two back-to-back seats. The seat is comprised of a lower box-shaped base member having a sliding drawer storage area therein; the base member having a horizontal cushioned top and a cushioned back member extending...http://www.google.es/patents/US4248476?utm_source=gb-gplus-sharePatente US4248476 - Convertible seat assembly
