Warner Syndication and Broadcasting
Jack Warner formed Warner Syndication and Broadcasting as a comic strip company and TV station studio andd a division of Warner Bros. Pictures, Inc. They contains Looney Magazine, formed in 1934, now defunct in 1957 with the last comic strip being Lost Looney Tunes Cartoons.
Public Domain Magazine
They renamed the company to Public Domain Magazine in 1959, with a public-domain magazine selection of the pre-1923 films and post-1923 films.
In 1968, Kaiser Industries acquires Public Domain Magazine from Warner Bros.-Seven Arts. In 1972, it merged into Kaiser Broadcasting.