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US Patent: 16,695
Saw-file
Patentees:
Lawson E. Bigelow - Watkins, NY
Alanson Shewman - Watkins, NY
Archibald Robins - Watkins, NY

USPTO Classifications:
137/630.2, 76/33

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. O. Allen
A. N. Ackley

Patent Dates:
Granted: Feb. 24, 1857

Patent Pictures:
USPTO pdf tiff
Google Patents
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