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US Patent: 451,801
Plane-Iron-Sharpening Apparatus
Patentee: Charles Bransgrove (exact or similar names) - Lulu, MI USPTO Classifications: 451/164, 451/367 Tool Categories: metalworking machines : grinders : sharpening machines woodworking tools : planes : plane accessories Assignees: None Manufacturer: Not known to have been produced Witnesses: Elmer Ellis Norton P. Spaulding	Patent Dates: Applied: Dec. 18, 1890 Granted: May 05, 1891 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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