Gavin Weightman
Smithsonian Magazine, September 23, 201
Two Drexel University graduates came up with the idea for the bar code and obtained a patent for it in 1952. It took more technical development, including the laser, and the involvement of several major corporations, to lead up to the first real-life test of the first automated checkstand at the Kroger Kenwood Plaza store in Cincinnati on July 3, 1972.
Read the full story here:
https://www.smithsonianmag.com/innovation/history-bar-code-180956704/



