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US Patent: 257,870
Cavity Plane
Spokeshave
Patentee:
Frank A. Humphrey - Worcester, MA

USPTO Classifications:
279/95, 30/281

Tool Categories:
woodworking tools : spokeshaves

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Chas. H. Burleigh
Geo. M. Rice, II

Patent Dates:
Applied: Nov. 28, 1881
Granted: May 16, 1882

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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