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US Patent: 580,273
Boring and doweling machine
Patentee:
William W. Grier - Oakmont, PA

USPTO Classifications:
144/3.1, 163/1, 227/152, 227/69, 408/103, 408/42

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : specialty machines : dowel insertion machines
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. M. Corwin
G. I. Holdship

Patent Dates:
Applied: Oct. 17, 1895
Granted: Apr. 06, 1897

Patent Pictures:
USPTO pdf tiff
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Description:
This machine is intended for use in door-making.

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