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US Patent: 138,649
Improvement in mortising-machines
Patentee:
Eugene Hammond (exact or similar names) - Cumberland, MD

USPTO Classifications:
144/84

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:
Unknown

Patent Dates:
Applied: Feb. 14, 1873
Granted: May 06, 1873

Patent Pictures:
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