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US Patent: RE5,624
Improvement in Machines for Manufacturing Auger Bits
Machine for Upsetting Cook's Auger Bits
Patentee:
James Swan - Seymour, CT

USPTO Classifications:
76/102, 76/2

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : drill bits : auger bits

Assignees:
Richard P. Bruff - Seymour, CT

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Divine
Fred. A. Rugg

Patent Dates:
Applied: Jul. 24, 1873
Granted: Oct. 21, 1873

Reissue Information:
Reissue of RE4,516 (Aug. 15, 1871)

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
Google Patents
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Description:
Second re-issue of 78769, apparently in order to assign it to Bruff.

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