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2. Can opener - Wikipedia

   en.wikipedia.org/wiki/Can_opener

   General-purpose can openers first appeared in the 1850s and had a primitive claw-shaped or "lever-type" design. In 1855, Robert Yeates, a cutlery and surgical instrument maker of Trafalgar Place West, Hackney Road, Middlesex, UK, devised the first claw-ended can opener with a hand-operated tool that haggled its way around the top of metal cans ...

3. P-38 can opener - Wikipedia

   en.wikipedia.org/wiki/P-38_can_opener

   A Vietnam War-era P-38 can opener, with a U.S. penny shown for size comparison.. The P-38 (larger variant known as the P-51) is a small can opener that was issued with canned United States military rations from its introduction in 1942 to the end of canned ration issuance in the 1980s. [1]

4. Ermal C. Fraze - Wikipedia

   en.wikipedia.org/wiki/Ermal_C._Fraze

   In 1959, while at a picnic with friends and family, Fraze discovered he had left his "church key" can opener at home, forcing him to use a car bumper to open cans of beer. Fraze decided to create an improved beverage opening method that would eliminate the need for a separate device, leading to his creation of the pull-tab opener.

5. How to Open a Can Without a Can Opener - AOL

   www.aol.com/lifestyle/open-without-opener...

   The post How to Open a Can Without a Can Opener appeared first on Reader's Digest. Try these handy methods that incorporate common tools around your home (plus a little elbow grease).

6. Ezra Warner (inventor) - Wikipedia

   en.wikipedia.org/wiki/Ezra_Warner_(inventor)

   A drawing from the can opener patent No 19063 by Warner. 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 Civil War.

7. William Lyman (inventor) - Wikipedia

   en.wikipedia.org/wiki/William_Lyman_(inventor)

   The top of the can was cut by pressing the cutting wheel into the can near the edge and rotating it along the can's rim. [5] The need to pierce the can first was a nuisance, and this can opener design has not survived. In 1925, a modern-style opener, equipped with an additional serrated wheel, was invented to improve Lyman's design. [3]