A mobile marker board unit has a wheeled base which mounts a pair of upright and vertically enlarged marker boards. The marker boards, as they project upwardly, are rearwardly sloped to define a triangular storage space between the marker boards. This storage space is accessible from at least one end...http://www.google.ca/patents/US5941713?utm_source=gb-gplus-sharePatent US5941713 - Mobile display board arrangement
