Keystone Aircraft
…1 million (United States) and renamed it Keystone. In 1928, it merged with Loening and was known as Keystone–Loening. In 1929, it was taken over by Curtiss-Wright. Also in 1929, the Keystone–Loening plant on the East River in New York City was closed by Curtiss-Wright and the operation was moved to the Bristol…