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US Patent: 1,471,993
Mortising and boring machine
Patentee:
Clinton G. Wilderson - Leetonia, OH

USPTO Classifications:
144/78

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

Assignees:
Crescent Machine Co. - Leetonia, OH

Manufacturer:
Crescent Machine Co. - Leetonia, OH

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 29, 1921
Granted: Oct. 23, 1923

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Crescent Machine Co.
Description:
This invention is improved in patent 1,619,049, and was used in the Crescent mortiser.

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