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US Patent: 76,301
Improvement in Machine for Grinding and Cutting Down Augers
Patentees:
E. O. Carrington - West Meriden, CT
Edwin Carrington - West Meriden, CT

USPTO Classifications:
451/140, 451/221, 451/239, 451/246

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John H. Bario
I. B. Graham

Patent Dates:
Granted: Apr. 07, 1868

Patent Pictures:
USPTO pdf tiff
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