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US Patent: 639,014
Device for Manipulating Tank Covers
Patentee: Walter A. Bradley (exact or similar names) - Oswego, Oswego County, NY USPTO Classifications: 220/327, 220/812, 220/817 Tool Categories: industrial tanks : covers Assignees: Ames' Iron Works - Oswego, Oswego County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 04, 1899 Granted: Dec. 12, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ames' Iron Works

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