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US Patent: 38,135
Improved machine for cutting rasps
Patentees:
John S. Shattuck - Malden, MA
David Shattuck - Cambridge, MA

USPTO Classifications:
76/13

Tool Categories:
tool making : making files

Assignees:
Whipple File Manufacturing Co. - Unknown, MA

Manufacturer:
Not known to have been produced

Witnesses:
P. E. Teschemacher
Samuel Cooper

Patent Dates:
Granted: Apr. 07, 1863

Patent Pictures:
USPTO pdf tiff
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