Our story begins in the early 1920s with an inventive scientist named Samuel Ruben and an eager manufacturer of tungsten filament wire named Philip Rogers Mallory. Ruben came to the P.R. Mallory Company seeking a piece of equipment he needed for an experiment.
But Ruben and Mallory saw an opportunity: Uniting Ruben’s inventive genius with Mallory’s manufacturing muscle. Their partnership, which would last until Mallory's death in 1975, was the bedrock of Duracell International.
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