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US Patent: 698,001
Lengthening Attachment for Bits
Patentee:
Benjamin F. Foss - Albion, ME

USPTO Classifications:
279/42, 279/89, 81/113

Tool Categories:
woodworking tools : hand drills : drill bit extensions

Assignees:
None

Manufacturer:
The Stanley Rule & Level Co. - New Britain, CT

Witnesses:
S. W. Bates
L. M. Godfrey

Patent Dates:
Applied: May 03, 1901
Granted: Apr. 22, 1902

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
The primary purpose of this bit extension is to be able to follow in smaller holes than others available - as small as 5/8".

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