Ace automobile known, however the Ypsilanti Automotive Heritage Museum offered a $5000 reward for evidence that directs to such a car. Although the museum continues to search for a surviving Ace, the reward expired in 2003 with the death of museum co-founder Skip Ungrodt. See also Vintage car References External links Line drawing of 1921 Model G coupe american-automobiles.com: The Ace Automobile & The Apex Motor Corporation ypsiautoheritage.org: Apex Motors ypsilantihistoricalsociety.org: History / Ace Automobile - 1920-19 carfolio.com: Ace car specifications carfolio.com: Specifications: 1921 Ace H Cars introduced in 1920 Motor vehicle manufacturers based in Michigan Defunct motor vehicle manufacturers of the United States Companies based in Washtenaw County, Michigan Vehicle manufacturing companies established in 1920 American companies established in 1920 Vehicle manufacturing companies disestablished in 1923 1920 establishments in Michigan 1923 disestablishments in Michigan Ypsilanti, Michigan Defunct manufacturing companies based in Michigan