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US Patent: 624,101
Drop Hammer
Patentees: George Rowbottom (exact or similar names) - Waterbury, New Haven County, CT David C. Griggs (exact or similar names) - Waterbury, New Haven County, CT USPTO Classifications: 72/439, 72/456 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Waterbury Farrel Foundry & Machine Co. - Waterbury, New Haven County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 10, 1898 Granted: May 02, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Waterbury Farrel Foundry and Machine Co.

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