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US Patent: 379,076
Hinge-Mortiser
Patentee:
James M. Mathews - Minneapolis, MN

USPTO Classifications:
30/167.1

Tool Categories:
woodworking tools : chisels : firmer chisels
layout tools : marking gauges : butt gauges

Assignees:
Rufus P. Mathews - Minneapolis, MN

Manufacturer:
Unknown

Witnesses:
R. H. Sanford
S. J. Beardslee
J. Jessen

Patent Dates:
Applied: Nov. 08, 1887
Granted: Mar. 06, 1888

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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Description:
This is a hinge mortising tool that works by setting the knives to the side of the hinge and striking it with a hammer.

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