An assembly comprising of first, second and third tracks of extruded polyvinyl chloride plastic which, when intermeshed create a framework for stretching and securing fabrics of varying thicknesses, onto a wall surface, a first extruded track is fastened to the wall surface with screws, a second or third...http://www.google.com/patents/US4986332?utm_source=gb-gplus-sharePatent US4986332 - Fastening track assembly for fabric wallcoverings
