ball point – On the House

All posts tagged "ball point"

  • Ink Stain Removal

    Lazlo Biro patented the ballpoint pen in 1943. He then (we’re told) put it in his pocket and got a nasty ink stain on his best shirt. Biro’s ink invention is made of oil and dye, so...

    • Posted July 15, 2014
    • 0

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