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In 1858, American inventor Ezra Warner patented a can opener, replacing the hammer-and-chisel method for the US Army and grocers

  • Team Global--The Times of India
  • published date: 2026-09-26 07:50:00 UTC

Canning began in 1795, sparked by a French inventor who aimed to create food preservation solutions for military purposes. By 1858, a Connecticut businessman had patented an early can opener, designed for grocery and military use, though it resulted in sharp …

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