US Patent: 467,937 - Stone Working Machine


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US Patent: 467,937

Stone Working Machine

Patentees:

Edward H. Kavanagh (exact or similar names) - Lynn, Essex County, MA

Erastus E. Winkley (exact or similar names) - Lynn, Essex County, MA

USPTO Classifications:

Tool Categories:

Assignees:

Edward H. Kavanagh - Lynn, Essex County, MA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: