P. R. Mallory and Co Inc
Corporate brand
UnclaimedHistorical American electronic components manufacturer.
Last updated August 25, 2026
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Overview
P. R. Mallory and Co Inc was an American manufacturer of electronic components, founded by Philip Rogers Mallory in 1916, headquartered in Indianapolis, Indiana. It produced batteries, capacitors, and other components, was a subsidiary of DuPont, and was acquired and dissolved in the 1990s.
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