![Guru Nanak Institution on Twitter: "Ballpoint Pen Day - 10th June. Brothers Laszlo and Gyorgy Biro invented the #ballpointpen and obtained a patent in June of 1943. #BrothersLaszlo #GyorgyBiro #Ballpoint #FountainPen #Sketch # Guru Nanak Institution on Twitter: "Ballpoint Pen Day - 10th June. Brothers Laszlo and Gyorgy Biro invented the #ballpointpen and obtained a patent in June of 1943. #BrothersLaszlo #GyorgyBiro #Ballpoint #FountainPen #Sketch #](https://pbs.twimg.com/media/D8qsC4SXUAEOVKw.jpg)
Guru Nanak Institution on Twitter: "Ballpoint Pen Day - 10th June. Brothers Laszlo and Gyorgy Biro invented the #ballpointpen and obtained a patent in June of 1943. #BrothersLaszlo #GyorgyBiro #Ballpoint #FountainPen #Sketch #
Merritt Press Ltd. - Useless Fun Fact: Today is Ballpoint Pen Day!!! “The first patent for a ballpoint pen was issued on 30 October 1888 to John J. Loud, who was attempting
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Rhinestone Ballpoint Pen | Custom Diamond Pens | Custom Crystal Pen | Custom Pens Gift - Ballpoint Pens - Aliexpress
Guernsey, Inc. - Today is National Ballpoint Pen Day! This day commemorates the ballpoint pen and marks the anniversary of the patent filing on June 10, 1943. It was conceived as a
Engage Education Ireland - “To change the world you'll need a pen.' Donald Miller Did you know today is Ballpoint Pen day? Before 1943, anyone who wanted to write used a fountain
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