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US Patent: 6,428X
Wood auger
Patentee:
George Shetter - York, PA

USPTO Classifications:
408/213

Tool Categories:
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alexander Jermuth
Charles L. Fisher

Patent Dates:
Granted: Mar. 21, 1831

Patent Pictures:
USPTO pdf tiff
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Description:
This is a double-bit auger, as compared to the inventor's earlier single-bit design, which was patented 1829-09-10 but not restored after the 1836 patent-office fire.

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