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Because tin cans had already been invented but there was no easy way to open them.
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∙ 12y ago
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When did Ezra j warner invent the can opener?
in 1858
What did Ezra J Warner invent and when?
She invented the can opener and it was invented in 1858! :D
Who was Ezra J Warner?
Ezra J. Warner was the inventor of the can opener. It was patented in 1858.
Where was Ezra j warner born?
home depot
Where ezra j Warner go to school?
Ezra J. Warner was a historian and well respected with this works on the American Civil War. However, where he attended school is not listed.
Where did Ezra J Warner go to school?
Ezra J. Warner was a historian and well respected with this works on the American Civil War. However, where he attended school is not listed.
What were some of Ezra j warner's famous inventions?
the can opener
When did Ezra j warner die?
I don't know. That is why I am asking it.
What did Ezra j warner invented and in what date?
Ezra Warner was the inventor of the first can opener. He invented the can opener in the year 1858. Ezra was from Waterbury, Connecticut.
What is Ezra J Warner's nationality?
He is from Connecticut in the US, so he's American.
When was Ezra Woods born?
Ezra J. Warner was born on 1563 and died on 1986 when he was 58. :D
Were was Ezra jwarner born?
Ezra J. Warner, American Civil War's noted Historian, was born on July 4, 1910 in Lake Forest, Illinois. He then lived as an investment counselor in La Jolla, California.
