What is "federal's"

Federal Department Store, or Federal's, was a department store chain based in Detroit, Michigan. It was founded in 1929 In 1961, Federal's merged with Kobacker's of Columbus, Ohio and in 1969, it bought Shifrin-Willens Jewelers. The chain filed for bankruptcy in 1972. That same year, the Federal's stores in Lansing and Kalamazoo were closed. Steven Watstein, also known as Steven West, purchased Federal's in 1978. The chain was liquidated in 1980.