| http://www.w3.org/ns/prov#value | - In the U.S. alone hundreds of corkscrew patents were filed in the 19th century. (At the time corks were used as stoppers in bottles of whiskey, olive oil, and other liquids as well as wine.) By 1900 three effective designs had emerged that still account for the great majority of corkscrews in use today. <p> <b>The Bartender's Corkscrew</b><p> <img src=http://images.amazon.com/images/G/01/kitchen/
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