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US Patent: 5,220,855
Corkscrew
Patentees: Denis T. L. Leung (exact or similar names) - Kowloon, Hong Kong Calvin T. T. Leung (exact or similar names) - Kowloon, Hong Kong USPTO Classifications: 81/3.29 Tool Categories: household : cork extractors : mechanical cork extractors Assignees: None Manufacturer: Unknown Witnesses: Unknown	Patent Dates: Applied: Jan. 10, 1992 Granted: Jun. 22, 1993 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Mark Woodard

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