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US Patent: 218,721
Improvement in spoke-tenon augers
Patentee:
Robert W. Eaton - Watsonville, CA

USPTO Classifications:
30/495

Tool Categories:
woodworking tools : hand drills : drill bits : hollow bits
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 02, 1879
Granted: Aug. 19, 1879

Patent Pictures:
USPTO pdf tiff
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