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US Patent: 51,911
Improvement in Hollow Augers
Patentees:
Fordyce Beals (exact or similar names) - New Haven, CT
Major Smith (exact or similar names) - New Haven, CT

USPTO Classifications:
30/495

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Rufus H. Sanford
John E. Earle

Patent Dates:
Granted: Jan. 09, 1866

Patent Pictures:
USPTO (New site tip)
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