On a June morning in 1974, a Marsh Supermarket cashier in Troy, Ohio, rang up a 67-cent pack of Juicy Fruit chewing gum using something novel — the black and white stripes of a universal bar code. The ...
Every purchase evokes his design of the rectangular Universal Product Code. But although it became ubiquitous, he received no royalties. By Sam Roberts George J. Laurer, whose design of the vertically ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback