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US Patent: 466,790
Power Hammer
Patentee: William R. Jenkins (exact or similar names) - Bellefonte, Centre County, PA USPTO Classifications: 474/133, 72/450 Tool Categories: metalworking machines : forging machines : power hammers Assignees: None Manufacturer: Jenkins & Lingle - Bellefonte, Centre County, PA Witnesses: Unknown	Patent Dates: Applied: Mar. 10, 1891 Granted: Jan. 12, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for W. P. Duncan & Co. | Jenkins & Lingle

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