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US Patent: 27,946
Auger
Patentee:
James Blake - East Pepperell, MA

USPTO Classifications:
408/195, 408/212

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

Assignees:
Henry Blake - East Pepperell, MA
James Blake - East Pepperell, MA

Manufacturer:
Douglass Manufacturing Co. - New York, NY

Witnesses:
Sumner Carter
L. W. Blake

Patent Dates:
Granted: Apr. 17, 1860

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Description:
These "Blake's Patent extension bits" were featured in a Douglas Manufacturing Co. flyer from 1873.

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