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GB Patent: GB-275,071
Improvements in twist drill point grinding and thinning machines
Patentees:
Herbert William Hunt - Manchester, England
Percy Hunt - Manchester, England

USPTO Classifications:

Tool Categories:
metalworking machines : grinders : drill grinders
metalworking machines : grinders : sharpening machines : drill sharpening machines
tool making : making drills and augers

Assignees:
None

Manufacturer:
Herbert Hunt & Sons, Ltd. - Manchester, England

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 21, 1926
Granted: Aug. 04, 1927

Patent Pictures:
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"Vintage Machinery" entry for Herbert Hunt & Sons, Ltd.

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