Sunday, April 12th. On this date in 1892, the first U.S. patent for a truly portable typewriter was issued to George C. Blickensderfer of Stamford, Connecticut for a "type writing machine" on the principle of a revolving type wheel, a precursor to the type ball of 1970s typewriters.
http://www.freshnews.com/news/1067365/u-s-census-bureau-daily-feature-april-12
http://www.freshnews.com/news/1067365/u-s-census-bureau-daily-feature-april-12
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