Bubble wrap iBubble wrap, which will not be able to be popped. Bubble wrap Bubble wrap is a pliable transparent plastic material used for packing fragile items. Regularly spaced, protruding air-filled hemispheres (bubbles) provide cushioning for fragile items. "Bubble wrap" is a generic trademark owned by Sealed Air Corporation. In 1957 two inventors named Alfred Fielding and Marc Chavannes were attempting to create a three-dimensional plastic wallpaper. Although the idea was a failure, they found that what they did make could be used as packing material. Sealed Air Corp. was co-founded by Alfred Fielding in 1960. The term is used generically for
Used and Useful Principle of all calculations as to the reasonableness of rates to be charged by a corporation...must be the fair value of the property being used by it for the convenience of the public.” (ROSE, KENNETH "Electric Power: Traditional Monopoly Franchise Regulation and Rate Making."Encyclopedia of Energy. Oxford: Elsevier Science & Technology, 2004) Fair value was used to determine a rate base for almost fifty years. With the case Federal Power Commission v. Hope Natural Gas Co., 320 U.S. 591 (1944) rate base formulation moved from being based on fair value to using the measure of prudent investment. This changed the focus