Automobiles Cognet de Seynes was a French automobile manufacturer based in Lyons, active from 1912 until 1926. The company was established through a partnership between Edouard de Seynes, a wealthy enthusiast, and Victor Cognet, a skilled engineer known for inventing a constant-mesh gearbox. Their initial efforts included the production of one or two prototypes of a small car before officially commencing production in 1912. The first model…