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US Patent: 542,186
Machinery for Dressing Surfaces of Stone Blocks
Patentees:
Oliver T. Dutro (exact or similar names) - Buffalo, Erie County, NY
Thomas McFeely (exact or similar names) - Philadelphia, PA

USPTO Classifications:
125/6

Tool Categories:
stoneworking : stone cutting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 12, 1894
Granted: Jul. 02, 1895

Patent Pictures:
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