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GB Patent: GB-190,605
A new or improved speed reducing device for use on drilling machines, lathes, or other machine tools
Patentees:
Alfred Herbert (exact or similar names) - Coventry, Warwickshire, England
Percy Venables Vernon (exact or similar names) - Coventry, Warwickshire, England

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Alfred Herbert Ltd. - Coventry, Warwickshire, England

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 11, 1921
Granted: Dec. 28, 1922

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Alfred Herbert Ltd.

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