A plurality of serially connected picture frames are arranged adjacent each other in a face-to-face series. Each frame is connected at a hinge line to the adjacent frames in the series. The hinges are arranged to enable the frames to be stacked flat against each other or to enable any adjacent pair of...http://www.google.com/patents/US4033058?utm_source=gb-gplus-sharePatent US4033058 - Picture display stand
