The Cloos Company continued to make fifes up to 1946, when the company was sold to the Penzel Company, then later Penzel and Mueller, which continued to make fifes under the Cloos name.
The Cloos Company continued to make fifes up to 1946 Penzel and Mueller, which continued to make fifes under the Cloos name. The company was sold to the Penzel Company. This was then later.