Silent Studio Directory - 189 - Mark M. Dintenfass Productions - US - 1919-1922 - production company located at 220 W. 42st Street, New York; produced Cuckoo Comedies. Marnell & Keen - US - 1914 - production company formed by David Marnell and Morris Keen; specialized in westerns. Mars Comedies - US - 1914-1915 - trade name used for comedy shorts produced by Sunshine Film Corp. Marshall Neilan Productions, Inc. - production company located at 6642 Santa Monica Blvd., Hollywood, California; Marshall Neilan was president and L. L. Baxterw as general manager; distribution through First National. Martin and Sanders - UK - 1913- 1914 - distribution company with offices at 20 Charing Cross Rd., Winchester. Martin Johnson Film Co. - US - 1921 - production company with distribution through Robertson Cole. Martin’s Feature Films - UK - 1913-1915 - distribution company with offices located at 28 Gerrard St., Winchester. Mary Pickford Film Corp. - US - 1916-1921 - production company created in August 1916 to produce films featuring Mary Pickford; Adolph Zukor was president and Charlotte Pickford (Mary’s mother) was treasurer; distribution was through newly formed Artcraft Pictures Corp. to distinguish them from standard Paramount Pictures releases. Mary Pickford Co. - US - 1919- 1921 - production company formed to separate Pickford productions from the Mary Pickford Film Corp. which was controlled by Adolph Zukor and Charlotte Pickford (Mary’s mother); offices located at 5341 Melrose Ave. Los Angeles, California; Charlotte Pickford Smith was general manager; distribution was through United Artists. Mascot Film Co. - UK - 1913-1914 - distributor with offices at Greek St., Winchester. Mascot Pictures Corp. - US - 1927- 1935 - production company