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US Patent: 774,791
Power Hammer
Patentee: James D. Seibert (exact or similar names) - Bellefonte, Centre County, PA USPTO Classifications: 72/434, 74/582 Tool Categories: metalworking machines : forging machines : power hammers Assignees: James D. Seibert - Bellefonte, Centre County, PA J. Howard Lingle - Bellefonte, Centre County, PA Manufacturer: Jenkins & Lingle - Bellefonte, Centre County, PA Witnesses: Unknown	Patent Dates: Applied: Apr. 30, 1902 Granted: Nov. 15, 1904 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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