László Biró He was the inventor of the ballpoint pen, he was born in Budapest on September 29 th. - ppt download
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/48/d9/48d90b77-19ef-4864-b5f4-4594fe5d79d8/pen.jpg "If You Like Ballpoint Pens, Thank the R.A.F. | Air & Space Magazine | Smithsonian Magazine")
If You Like Ballpoint Pens, Thank the R.A.F. | Air & Space Magazine | Smithsonian Magazine
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Who was Ladislao José Biro? Inventor of the ballpoint pen celebrated with Google doodle on 117th birthday - Mirror Online
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biro - Wiktionary
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Design Moment: The Bic Pen, 1938
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As of 2018, how likely are British people to use the word 'biro' to mean 'pen'? - Quora
Who Invented The Ballpoint Pen? Origins Of A Modern Writing Instrument | Unsharpen
