Person ? Léon Viellard
- From 1917-01-01 to 1927-12-31, Administrateur of USINE CH. VERMOT, VALERE MABILLE ET R. PELGRIMS
- From 1933-01-01 to 1933-12-31, Administrateur of USINES CH. VERMOT
- From 1940-01-01 to 1940-12-31, Vice-Président of USINES CH. VERMOT
- From 1945-01-01 to 1948-12-31, Administrateur of USINES CH. VERMOT
- From 1953-01-01 to 1953-12-31, Vice-Président of USINES CH. VERMOT