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US Patent: 477,528
Chain mortising machine
Patentee:
George Curtis Gillespie (exact or similar names) - Brooklyn, NY

USPTO Classifications:
144/72

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:
Granted: Jun. 21, 1892

Patent Pictures:
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