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 public. In reviewing the interests of the customers versus the interests of the company, the United States Supreme Court connected the concept of whether or not something is used or useful to the public service provided to determine rates. This case provided the legal foundation for the idea that only property serving the public is eligible to earn a rate of return. The principle of used and useful also provides a way to place definite limitations on costs charged to utility customers. Not only must it be proven that utility investments and expenditures are used and useful to the ratepayers,