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US Patent: 470,196
Tool-holder for grinding tools
Patentees:
Carl J. Jacobson (exact or similar names) - Brooklyn, NY
Joseph H. Stein (exact or similar names) - New York, NY

USPTO Classifications:
451/370

Tool Categories:
work holding : sharpening jigs and fixtures
woodworking machines : woodworking machine parts or accessories : woodworking machine sharpening mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. J. Morgan
W. B. Earll

Patent Dates:
Applied: Feb. 14, 1890
Granted: Mar. 08, 1892

Patent Pictures:
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Description:
"Our invention consists of a gaging and holding block and clamping attachment of novel contrivance adapted for holding wood-plane bits, chisels, gouges and the like by hand, for applying them to the grindstone or oil-stone, and gaging them for grinding the edges true..."

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