An apparatus and method for displaying the weight or cost of an uncut selected segment of an item involves passing a position indicating member over the item lying on a support surface. The position indicating member carries one or more sensors which generate signals corresponding to succeeding cross...http://www.google.ca/patents/US7460982?utm_source=gb-gplus-sharePatent US7460982 - Apparatus and method for producing a numeric display corresponding to the volume of a selected segment of an item
