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US Patent: 530,846
Screw-cutting plate
Patentee: Henry B. Keiper (exact or similar names) - Lancaster, PA USPTO Classifications: 408/156, 408/162 Tool Categories: Assignees: None Manufacturer: Champion Blower & Forge Co. - Lancaster, PA Witnesses: Almon Fulton Edwin Bookmyer	Patent Dates: Applied: Mar. 15, 1892 Granted: Dec. 11, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Champion Blower & Forge Co.

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