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The ''Matador'' brand belongs to ''Siebert & Löwen'', founded in [[1895]] by ''Adolf Siebert'' and ''Ewald Loewen'' and operating in the production of office supplies, with production in Wuppertal-Elberfeld(?). It is not known an exact date for the fountain pens market entry, but activities in that field can tracked back at least at [[1911]], date of the first known patent ({{Cite patent|FR|431385}}) for a [[safety]]. The production of the beginning of the 20s was aimed at creating economic pens of good quality, with a very good quality/price ratio. The company is also known as ''Standard-Matador''.  

The ''Matador'' brand belongs to ''Siebert & Löwen'', founded in [[1895]] by ''Adolf Siebert'' and ''Ewald Loewen'' and operating in the production of office supplies, with production in Wuppertal-Elberfeld(?). It is not known an exact date for the fountain pens market entry, but activities in that field can tracked back at least at [[1911]], date of the first known patent ({{Cite patent|FR|431385}}) for a [[safety]]. The production of the beginning of the 20s was aimed at creating economic pens of good quality, with a very good quality/price ratio. The company is also known as ''Standard-Matador''.  

In [[1949]] it produced what is probably the first sealing snap cap, with the model called ''[[Matador-Click]]'', by the sound that characterized the proper closure of the cap. Names of other models are: ''Matador Dipless'', ''Matador Express'', ''Matador Standard'', ''Matador 811'', ''Acca''.  

Around [[1949]]<ref>this yea is citet in an Andreas Lambrou book as probable, but in [http://www.fountainpennetwork.com/forum/topic/288933-a-matador-click-120-is-out-of-warranty/ this discussion] are cited the 1946 as another possible date, and also the 1936 as seen in some papers for a Matador 120 Click.</ref> it produced what is probably the first sealing snap cap, with the model called ''[[Matador-Click]]'', by the sound that characterized the proper closure of the cap. Names of other models are: ''Matador Dipless'', ''Matador Express'', ''Matador Standard'', ''Matador 811'', ''Acca''.  

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