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US Patent: 172,868
Improvement in corkscrews
Patentee: William Rockwell Clough (exact or similar names) - Newark, NJ USPTO Classifications: 81/3.45 Tool Categories: household : cork extractors : T corkscrews and other straight corkscrews Assignees: None Manufacturer: Rockwell Clough Co. - Newark, NJ Witnesses: Henry C. Banks Rowland Cox	Patent Dates: Applied: Nov. 01, 1875 Granted: Feb. 01, 1876 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Mark Woodard
Description: Clough's inexpensive wire corkscrew. Also seen with an attached frame, known as Clough's Power Cone.

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