sentences:  One of the products - the Stampe SV.4 - has become well known as just "Stampe".Established in 1922 with Alfred Renard as its Chief Designer, the company designed a series of trainer/tourer aircraft in the 1920s and 1930s, all prefixed RSV (for Renard, Stampe and Vertongen).In the early 1930s Alfred Renard left to join a company he had formed with his brother Georges Renard Société Anonyme d'Avions et de Moteurs Renard.