A portable computer enclosure with a bumper rail on the sidewalls, the rail being of such width in relation to the height of the sidewalls and being of such height above the surface of the sidewalls that the rail is effective to provide bump protection to the sidewall. The portable computer enclosure...http://www.google.fr/patents/US5401091?utm_source=gb-gplus-shareBrevet US5401091 - Molded bumper rail for a portable computer