Certus was a German automotive brand that operated briefly between 1928 and 1929. It was established by the coachbuilding firm Dicrcks & Wroblewski GmbH, based in Offenburg, Germany. The company ventured into automobile manufacturing, producing complete cars alongside its primary business of coachbuilding. During its short existence, Certus offered a range of models powered by S.C.A.P engines, available in four different sizes: 7/32, 8/45,…