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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''.  

Nel [[1949]] produsse quello che probabilmente è il primo cappuccio ermetico a scatto, con il modello denominato ''[[Matador-Click]]'', dal rumore che contraddistingueva la corretta chiusura del cappuccio. Nomi di altri modelli: ''Matador Dipless'', ''Matador Express'', ''Matador Standard'', ''Matador 811'', ''Acca''.  

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''.  

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