Thomas J. Armat & Charles Francis Jenkins (Phantoscope / Vitascope) / 1890s
What began as a collaboration between two classmates at the Bliss Electrical School in Washington, D.C. in 1894 — mechanic Thomas J. Armat and inventor Charles Francis Jenkins — quickly soured into one of the earliest and most telling disputes of the film age. Together they developed a projector using a novel "beater" intermittent-motion mechanism (in the same technical neighborhood as Georges Demenÿ's 1893 French patent) and incorporated an independent solution to film tension problems later known as the Latham loop. They publicly demonstrated their Phantoscope at the Cotton States and International Exposition in Atlanta in September 1895, but the success precipitated a bitter split: Jenkins attempted to claim sole inventorship, a bid that failed, and he ultimately sold his interest to Armat. Armat then did what many inventors of the period feared — he sold the patent to Thomas Edison, who rebranded and aggressively marketed the device as the "Vitascope," premiering it in New York City on April 23, 1896 for a run that lasted more than a week. The sequence — classroom collaboration, contested credit, and corporate absorption — became an archetype for the cutthroat intellectual-property battles that accompanied cinema's commercial birth.
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