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The company was created from the activities of two German entrepreneurs, ''Paul Kohler'' and ''Christian Schaefer'' in Pforzheim in Germany around 1910,<ref>the majority of the data relating to this company comes from direct correspondence with the great-grandson of ''Christian Schaefer'', which allowed us to correct the errors and inaccuracies previously present on the page, some dates, such as that of the foundation, the closure of the original German company are still indicative, the names of the two founders are also in the patent {{Cite patent|GB|302015}} (identical to {{Cite patent|CH|130454}}) registered in the name of ''Kohler & Schaefer''.</ref> and from the initial letters of their names was born that of the company. This was initially dedicated to the production of multi-mini mechanical pencils, in gold and silver, capable of changing four colours. | The company was created from the activities of two German entrepreneurs, ''Paul Kohler'' and ''Christian Schaefer'' in Pforzheim in Germany around 1910,<ref>the majority of the data relating to this company comes from direct correspondence with the great-grandson of ''Christian Schaefer'', which allowed us to correct the errors and inaccuracies previously present on the page, some dates, such as that of the foundation, the closure of the original German company are still indicative, the names of the two founders are also in the patent {{Cite patent|GB|302015}} (identical to {{Cite patent|CH|130454}}) registered in the name of ''Kohler & Schaefer''.</ref> and from the initial letters of their names was born that of the company. This was initially dedicated to the production of multi-mini mechanical pencils, in gold and silver, capable of changing four colours. | ||
| − | + | However, the Schaefer family managed the company mainly because Kohler left the business shortly afterwards. In Milan, the branch with the Italian factory was founded, initially in Corso Vittorio Emanuele, then in via Conservatorio 6 in Milan (as shown by [[:File:1929-09-Kosca-Invoice.jpg|this invoice]] from 1929). The first trademark registration on their behalf was in 1929 ({{Marchio|40298}}), with a logo of the ''K&S'' initials; no trace instead of the number cited on the invoice (C.C.I. Milano 937773). In the same time the comapany registered also [[Spezial]] ({{Marchio|40301}}) and [[Spezial Super]] ({{Marchio|40299}}) trademarks. Much later, requested in 1938, is the [[Record]] ({{Marchio|59025}}) trademark, that was also renewed after the war. | |
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The company was created from the activities of two German entrepreneurs, Paul Kohler and Christian Schaefer in Pforzheim in Germany around 1910,[1] and from the initial letters of their names was born that of the company. This was initially dedicated to the production of multi-mini mechanical pencils, in gold and silver, capable of changing four colours.
However, the Schaefer family managed the company mainly because Kohler left the business shortly afterwards. In Milan, the branch with the Italian factory was founded, initially in Corso Vittorio Emanuele, then in via Conservatorio 6 in Milan (as shown by this invoice from 1929). The first trademark registration on their behalf was in 1929 (Reg. Gen. N. 40298), with a logo of the K&S initials; no trace instead of the number cited on the invoice (C.C.I. Milano 937773). In the same time the comapany registered also Spezial (Reg. Gen. N. 40301) and Spezial Super (Reg. Gen. N. 40299) trademarks. Much later, requested in 1938, is the Record (Reg. Gen. N. 59025) trademark, that was also renewed after the war.
But there is also a German company in Pforzheim in Germany, called Kohler & Schaefer which holds several patents related to fountain pens and other writing instruments, for which it is not known any relationship with the Milanese company (if the parent or other). But the possibility that these were two completely independent companies with the same name composed of two identical surnames (Kohler & Schaefer also appears in the records of Italian brands) is considered very unlikely.
As for the Uhlmann's Eterno initial production was mainly of hard rubber pens overlays, which are considered among the best ever. It is believed that the company have produced them also on behalf of the most famous companies like Columbus, Omega and Ercolessi, and also for the Italian branch of the Waterman. At least this last relationship is well established, existing many examples of such pens.
The production of the second half of the '30s was in celluloid, in three sizes with a faceted clip embossed with Kosca imprint and decorated with a patterned band between two thin rings.
External references
- no one so far
Notes
- ↑ the majority of the data relating to this company comes from direct correspondence with the great-grandson of Christian Schaefer, which allowed us to correct the errors and inaccuracies previously present on the page, some dates, such as that of the foundation, the closure of the original German company are still indicative, the names of the two founders are also in the patent nº GB-302015 (identical to nº CH-130454) registered in the name of Kohler & Schaefer.