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On October 30, 1888, John J. Loud patented ballpoint pen. Slavoljub Eduard Penkala invented the first solid-ink fountain pen in 1907. László Bíró invented his ballpoint pen in 1938.
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On October 30, 1888, John J. Loud patented ballpoint pen. Slavoljub Eduard Penkala invented the first solid-ink fountain pen in 1907. László Bíró invented his ballpoint pen in 1938.