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US Patent: 111,099
Improvement in Augers
Adjustable Spur Auger
Patentee:
Blase Walch (exact or similar names) - Frederick, MD

USPTO Classifications:
175/384, 408/195, 408/212

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Solon C. Kemon
Thomas D. D. Ourand
Patent Dates:
Granted: Jan. 17, 1871

Reissue Information:
Reissued as RE5,238 (Jan. 14, 1873)

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)

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