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US Patent: 612,949
Power Hammer
Patentee: William Hartill Law (exact or similar names) - Peterborough, Peterborough County, ON, Canada USPTO Classifications: 72/434, 72/441 Tool Categories: metalworking machines : forging machines : power hammers Assignees: None Manufacturer: Central Bridge & Engineering Co. - Peterborough, Peterborough County, ON, Canada Witnesses: B. Boyd H. Dennison H. T. S. Goury A. Dennison	Patent Dates: Applied: Nov. 08, 1897 Granted: Oct. 25, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Central Bridge & Engineering Co.
Description: This machine was patented in Canada, patent #-CA-65,452.

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