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US Patent: 216,722
Mortising-machine
Patentee:
Edward H. N. Clarkson (exact or similar names) - Baltimore, MD

USPTO Classifications:
144/69

Tool Categories:
woodworking machines : joint making machines : mortising machines
woodworking machines : wood drilling and boring : mortising machines

Assignees:
None

Manufacturer:
Joseph Clarkson & Son - Baltimore, MD

Witnesses:
Frank B. Clarkson
R. D. Williams

Patent Dates:
Applied: Apr. 29, 1879
Granted: Jun. 24, 1879

Reissue Information:
Reissued as RE9,221 (Jun. 01, 1880)

Patent Pictures: [ 1 | 2 ]
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Vintage Machinery entry for Joseph Clarkson & Son
Description:
This patented mortiser made the mortise required for the Kesler & Clarkson sash pulley that was the subject of patent RE8,586.

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