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US Patent: 467,937
Stone Working Machine
Patentees:
Edward H. Kavanagh - Lynn, Essex County, MA
Erastus E. Winkley - Lynn, Essex County, MA

USPTO Classifications:
408/129, 408/145, 408/56

Tool Categories:
specialty tools : stoneworking tools

Assignees:
Edward H. Kavanagh - Lynn, Essex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 08, 1891
Granted: Feb. 02, 1892

Patent Pictures:
USPTO pdf tiff
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