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US Patent: 490,721
Stone Cutting Machine
Patentee:
Michael A. Pigott (exact or similar names) - Hamilton, ON Canada

USPTO Classifications:
125/1, 409/345

Tool Categories:
stoneworking : stone cutting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 07, 1892
Granted: Jan. 31, 1893

Patent Pictures:
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