André Galle
André Galle
André Galle was a French engraver and medallist. In 1829, he patented a type of roller chain, known as a leaf chain, which is still used for low-speed, heavy duty applications. It was not put into production during his lifetime.
From *.wikipedia.org,
General Info
.
Male
Birth Place
France, Auvergne-Rhône-Alpes
Date of Death
December 23rd, 1844
Died Aged
-125
Star Sign
Gemini
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