A user-worn protective body appliance to prevent injury to the underlying region of the wearer's body includes a relatively rigid shield and a relatively flexible, compressible pad. The pad has a first surface to which the rigid shield is attached, and a second surface against which the body region to...http://www.google.es/patents/US5020547?utm_source=gb-gplus-sharePatente US5020547 - Protective body appliance
