This undated family photo taken in the 1950s shows bar code co-inventor N. Joseph Woodland. Woodland, who with Bernard Silver invented the bar code that labels nearly every product in

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This undated family photo taken in the 1950s shows bar code co-inventor N. Joseph Woodland. Woodland, who with Bernard Silver invented the bar code that labels nearly every product in stores and has boosted productivity in nearly every sector of commerce worldwide, died Sunday, Dec. 10, 2012.. He was 91. (AP Photo/Courtesy the Woodland Famly) less 

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Associated Press
Fri, Dec 14, 2012 12:42 AM EST