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US Patent: 97,090
Improvement in knife-sharpener
Patentee: William H. Howland (exact or similar names) - San Francisco, CA USPTO Classifications: 451/552, 76/87 Tool Categories: knives and cutters : sharpening apparatus Assignees: None Manufacturer: Howland, Angell & King - San Francisco, CA Witnesses: Alexander F. Roberts George W. Mabee	Patent Dates: Granted: Nov. 23, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Howland, Angell & King
Description: This knife sharpener uses a pair of conical emery disks mounted on a stand.

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