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US Patent: 451,801
Plane-Iron-Sharpening Apparatus
Patentee:
Charles Bransgrove - 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 ]
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