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US Patent: RE5,238
Improvement in augers
Patentee:
Blase Walch (exact or similar names) - Frederick, MD

USPTO Classifications:
408/195

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas D. D. Ourand
Charles A. Pettit

Patent Dates:
Granted: Jan. 14, 1873

Reissue Information:
Reissue of 111,099 (Jan. 17, 1871)

Patent Pictures:
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