This page lists brands for which we currently have only an historical precis. There is also a page on really obscure French brands.
For a more complete listing visit the French Index.
Impetus
M. Hertel was a renowned cycling champion who rode under the name of Baron Impetus. He presented a motorcycle at the 1901 show
Bourdache p437
Indénor
A Peugeot subsidiary, Indénor took control of Terrot in 1957, and shortly thereafter brought Automoto into the fold. Terrot production was then moved to St Etienne. At the end of 1958 3 to 400 people were employed by the two firms. In June of '59 Magnat-Debon joined the group, but sales continued to slow and motorcycle production was brought to a halt in 1962.
Indénor was integrated with Peugeot in 1967, and the premises were sold to the Japanese company Koyo in 1999.
Source: Motos dans la Loire
Inseparable by Dorigny c.1899
Iris
A. and G. Morelle, 12, avenue de la Grande Armée, Paris. Factory in Saint-Gobert (Aisne).
Built motorcycle(s) with water cooling. Possibly related to Succès.
The story is a little confused as Haustgen also built Iris motorcycles with their own water-cooled engines at this time.
Other marques with this name: Disambiguation
Source: Bourdache p436, 437
Ivry 1906
Rarer French Marques