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US Patent: 179,090
Improvement in corkscrews
Patentee:
Joshua Barnes - Brooklyn, NY

USPTO Classifications:
81/3.45

Tool Categories:
household tools : cork extractors : cork easers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Charles G. Coe
Christopher J. McLaughlin

Patent Dates:
Applied: Mar. 27, 1876
Granted: Jun. 27, 1876

Patent Pictures: [ 1 | 2 ]
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Description:
The duplex worm was designed to extracts small corks (using the inner worm) or larger corks (using both worms.)

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