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

 

              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
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)