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US Patent: RE7,689
Improvement in Hollow Augers
Patentee:
Charles S. Bonney (exact or similar names) - Philadelphia, PA

USPTO Classifications:
30/495

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

Assignees:
Lloyd, Supplee & Walton - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
William R. Howell
D. W. Worrall

Patent Dates:
Applied: Mar. 12, 1877
Granted: May 22, 1877

Reissue Information:
Reissue of 105,896 (Aug. 02, 1870)

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