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                | De Forest Phonofilm, Incorporated
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                | Type of Company | Production and distribution company |  
                | Country of Origination | United States of America |  
                | Years of Operation | Formed November 1922 Active 1922 through 1927
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                | Company Principals | Lee de Forest |  
                | Company Offices | 218 (and/or 220) West 42nd Street, New York, New York, USA |  
                | Company Studios | 317 East 47th Street in New York, New York, USA |  
                | De Forest Phonofilm, Incorporated, was established to develop the sound-on-film technology developed by Lee de Forest and Theodore W. Case. Separate companies were established in the United Kingdom and other countries. References: Brownlow-Parade p. 568. |  |  |   LINKS IN THIS COLUMNMAY TAKE YOU TO
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