A weight measurement module operatively coupled to a piece of luggage for determining the weight of the luggage and its contents. The weight measurement module includes one or more load cells, a processor operatively coupled to the one or more load cells, and a display operable to display the weight...http://www.google.com/patents/US7378604?utm_source=gb-gplus-sharePatent US7378604 - Luggage with built-in weight measurement device and method of use
