Many inventors File patents for incandescent light bulbs (that aren't very long-lasting) (1 jan 1841 ano – 1 jan 1874 ano)
Descrição:
1841- Frederick de Moleyns
1845-John Wellington Star
1852- Jean Eugene Robert Houdin
1858- Samuel Gardiner and Leu Blossom
1872- Alexander Lodygin
1874- Henry Woodward & Mathew Evans
Adicionado na linha do tempo:
Data:
1 jan 1841 ano
1 jan 1874 ano
~ 33 years