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by Answerbag Staff on January 21st, 2010

Answerbag Staff

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Who invented the bar code?

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  • by Roxanne McHenry on January 21st, 2010

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    Great Answer

    Professionally Researched. (What's this?)

    N. Joseph Woodland received a patent for his bar code concept in 1952, after working on an idea to automate the grocery store checkout process for four to five years. Woodland later worked on Universal Product Codes, or UPCs, while employed at IBM. His bar code patent expired in 1970.

    Source:

    Drexel University Library News: N. Joseph Woodland -- Inventor of Bar Code and Drexel Grad (PDF)

    uh.edu: Bar Code

    iusb.edu: Bar Codes

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