Spring Corkscrews
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| 1883 Dunish and Scholer Patent, marked DRP 27175 | W. Sommers' 1899 paperclip/spring corkscrew | J. Wolters' 1901 patent spring corkscrew, which utilizes a sliding cuff and clip. |
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| more to come | Gotleib GieBler's 1914 pin and spring corkscrew | more to come |