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US Patent: 604,813
Shredding-knife
Patentee: Ezra H. Ward (exact or similar names) - Chicago, IL USPTO Classifications: 144/186, 144/241, 30/493 Tool Categories: woodworking machines : specialty woodworking machines : excelsior machines Assignees: John W. Keogh - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Edna B. Johnson F. A. Hopkins	Patent Dates: Applied: Sep. 20, 1897 Granted: May 31, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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