June 10, 1943: The Ballpoint Pen ? Ink Dry for Me, Argentina

1943: Brothers László and Georg Bíró, Hungarian refugees living in Argentina, patent the ballpoint pen. A half-century-old idea is coming to commercial fruition.
Lewis Waterman’s invention of a practical fountain pen, patented in 1884, had already solved the problem of portability. You no longer had to carry around an inkwell to be able to [...]

Source: http://www.wired.com/thisdayintech/2011/06/0610biro-brothers-ballpoint-pen/

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