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Franjo Hanaman

✦ 30 iunie 1878  ✝ 23 ianuarie 1941 · 62 years
Zagreb, CroațiaGroblje Mirogoj
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Franjo Hanaman · In memoriam
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Franjo Hanaman

1878 – 1941 · 62 years

Franjo Hanaman was a Croatian inventor, engineer, and chemist, who gained world recognition for inventing the world's first applied electric light-bulb with a metal filament (tungsten) with his assistant Alexander Just, independently of his contemporaries. They were granted the Hungarian Patent #34541 on December 13, 1904 in Budapest. His invention of tungsten filament was also applied in improving early diodes and triodes.

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