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US Patent: 257,870
Cavity Plane Spokeshave
Patentee: Frank A. Humphrey (exact or similar names) - 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 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen

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