So why is the Google doodle logo a bar code today? Well according to the Bar Code 1 web page, the first patent filed for a bar code reading technology was filed 57 years ago today (October 7th) by Norman Woodland and Bernard Silver.
Apparently neither Woodland or Silver profited much from this brilliant invention as they sold the rights to Philco who than sold the rights to RCA many years before it's first commercial use.
Here is a link to a PDF of the bar code patent filed by Woodland and Silver from the Bar Code 1 website.
Sources:
The Christian Science Monitor - Horizons Blog Post: Google bar code logo - Latest in "doodle" line
Bar Code 1 Web Site - www.adams1.com
Wikipedia Entry - Norman Woodland
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