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US Patent: 1,277,472
Grinding Machine
Patentee:
William Bradford Peirce - North Tonawanda, NY

USPTO Classifications:
451/182, 451/241, 451/343

Tool Categories:

Assignees:
Buffalo Bolt Co. - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
Titus H. Dome

Patent Dates:
Applied: Apr. 13, 1917
Granted: Sep. 03, 1918

Patent Pictures:
USPTO pdf tiff
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