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US Patent: 152,079
Improvement in mortising-machines
Patentee:
Mahlon W. Collins (exact or similar names) - Lebanon, NH

USPTO Classifications:
144/67

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Carrie L. Collins
Edward J. Durant

Patent Dates:
Applied: May 02, 1874
Granted: Jun. 16, 1874

Patent Pictures:
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