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             A Trade Secret 
            (1915) United States of America 
            B&W : Five reels 
            Directed by William Haddock (William F. Haddock) 
            Cast: Frederick de Belleville [the chemist], Betty Marshall [his fiancée] 
            The Gotham Film Company, Incorporated, production; distributed on State Rights basis by The Gotham Film Company, Incorporated. / From the novelette A Trade Secret by Ernest M. Poate. Presented by Marshall W. Taggart. / Released 1 July 1915. / Standard 35mm spherical 1.33:1 format. 
            Drama. 
            Survival status: The film is presumed lost. 
            Current rights holder: Public domain [USA]. 
            Listing updated: 1 December 2023. 
            References: Website-AFI; Website-ASFFDb; Website-IMDb. 
            
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