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US Patent: 16,695
Saw-file
Patentees:
Archibald Robins (exact or similar names) - Watkins, NY
Alanson Shewman (exact or similar names) - Watkins, NY
Lawson E. Bigelow (exact or similar names) - 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:
A. N. Ackley
E. O. Allen

Patent Dates:
Granted: Feb. 24, 1857

Patent Pictures:
USPTO (New site tip)
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