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Creata pagina con 'Parker continued to produce ebonite pens with good results, focusing on the functionality of his pens and on the benefits of the button filler, but the real breakthrou...'
[[Parker]] continued to produce ebonite pens with good results, focusing on the functionality of his pens and on the benefits of the [[button filler]], but the real breakthrough came in 1921 with the launch of [[Duofold]], which was a huge success, by getting the company at the top of sales. The creation of a large pen, made of hard rubber of a bright red color, was a revolution in the foutain pen world until then dominated by the black color, and foreshadowed the introduction of the celluloid colors by several years.