US Patent: 1,364,747 - Universal drill-grinder


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US Patent: 1,364,747

Universal drill-grinder

Patentee:

Edwin T. Gorham (exact or similar names) - Grand Rapids, MI

USPTO Classifications:

451/375

Tool Categories:

metalworking machines : grinders : drill grinders

metalworking machines : grinders : sharpening machines : drill sharpening machines

Assignees:

Wilmarth & Morman Co. - Grand Rapids, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 22, 1919
Granted:	Jan. 04, 1921

Patent Pictures:

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Description:

The inventor was deceased at the time the patent was issued. This drill grinder is adjustable to different tip angles and accommodates a wide range of drill diameters.