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US Patent: 39,841
Improvement in Hollow Augers
Patentee:
George N. Stearns - Syracuse, NY

USPTO Classifications:
30/495

Tool Categories:
hand drills : drill bits : hollow bits

Assignees:
None

Manufacturer:
George N. Stearns & Co. - Syracuse, NY

Witnesses:
William Wallace
Andrew J. Smith

Patent Dates:
Granted: Sep. 08, 1863

Reissue Information:
Reissued as RE7,484 (Jan. 30, 1877)

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