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US Patent: 1,655,836
Saw Toothed Wood Boring Bit
Patentee:
Adolph H. Hawkinson (exact or similar names) - Rockford, IL

USPTO Classifications:
408/207

Tool Categories:
woodworking tools : hand drills : drill bits

Assignees:
Greenlee Bros. & Co. - Rockford, IL

Manufacturer:
Greenlee Bros. & Co. - Rockford, IL

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 20, 1926
Granted: Jan. 10, 1928

Patent Pictures: [ 1 | 2 ]
Image (C) and courtesy of Rick Floyd, ebay ID yesteryearsharvest
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"Vintage Machinery" entry for Greenlee Brothers & Co.
Description:
Improved Forstner type bit with a saw toothed cutting edge.

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