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US Patent: 178,035
Machine for punching and Shearing Metal
Patentee: Isaac S. Van Winkle (exact or similar names) - San Francisco, San Francisco County, CA USPTO Classifications: 83/598, 83/602, 83/698.11 Tool Categories: metalworking machines : metal shearing machines metalworking machines : metal punching machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 13, 1876 Granted: May 30, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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