Ezra Warner may refer to:
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Ezra Warner (inventor)
Ezra J. Warner of Waterbury, Connecticut was an American inventor, who patented his design of a can opener in 1858. A crudely shaped bayonet and sickle combo, his design was widely accepted by the U.S. military during the period of the American Ci ...
, American inventor of the first can opener in 1858
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Ezra J. Warner (historian)
Ezra Joseph Warner III (July 4, 1910 – May 30, 1974) was a historian of the American Civil War. He was born in Lake Forest, Illinois and lived in La Jolla, California where he worked as an investment counselor. He was the son of Ezra J. Wa ...
(1910 – 1974), American Civil War historian
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