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The [[LUS]] was founded in [[1929]]<ref>as reported on the website of the Saronnese Museum of Industry and Labor.</ref> in Saronno by Umberto Legnani, an experienced mechanical worker, with his wife Giuseppina Carnelli when. fired because of the effects of the recession, he decided to start his own business producing nibs and other stationery. The ''LUS'' brand (abbreviation of ''Legnani Umberto, Saronno'') was recorded in [[1931]]. The activity started from the production of steel nibs, but around [[1934]], at a change of venue, it began production of fountain pens, although the main activity remained the production of nibs and office supplies.  

The [[LUS]] was founded in [[1929]]<ref>as reported on the website of the Saronnese Museum of Industry and Labor.</ref> in Saronno by Umberto Legnani, an experienced mechanical worker, with his wife Giuseppina Carnelli when. fired because of the effects of the recession, he decided to start his own business producing nibs and other stationery. The ''LUS'' brand (abbreviation of ''Legnani Umberto, Saronno'') was recorded in [[1931]]. The activity started from the production of steel nibs, but around [[1934]], at a change of venue, it began production of fountain pens, although the main activity remained the production of nibs and office supplies.  

La produzione di stilografiche diventò una delle attività principali nel dopoguerra, con la produzione sia di penne di fascia alta che economiche. In particolare l'azienda fu una delle prime, anzi probabilmente la prima, nel [[1948]], a lanciarsi nella produzione di penne a sfera; il modello ''Retracto'' del [[1950]] è uno dei primi a punta rientrante. L'azienda inoltre possedeva un brevetto ({{Cite patent|US|2902978}}) del [[1955]] (assegnato nel 1959) per una cartuccia dotata di pallina metallica interna che facilitasse il flusso di inchiostro. Avendo stabilito una buona posizione sul nuovo mercato l'azienda ebbe un ottimo successo anche negli anni successivi.

Fountain pens production became a major activity in the postwar period, with the production of both high-end and economic pens. In particular, the company was one of the first, indeed probably the first, to start in [[1948]] ballpoint pens manufacturing; the [[1950]] ''Retracto'' model is one of the first reversed point. The company also possessed a patent ({{Cite patent|US|2902978}}) from [[1955]] (awarded in 1959) for a cartridge with a metal ball inside that would facilitate the ink flow. Having established a good position in the new market, the company had a great success in the following years.

La produzione principale resta comunque quella di penne scolastiche ed economiche di fascia bassa, rivendute da tabaccai, cartolai e pure tramite distributori automatici. L'azienda è tutt'ora presente sul mercato come ''Mondial L.U.S. Spa''.

La produzione principale resta comunque quella di penne scolastiche ed economiche di fascia bassa, rivendute da tabaccai, cartolai e pure tramite distributori automatici. L'azienda è tutt'ora presente sul mercato come ''Mondial L.U.S. Spa''.