US Patent: 643,703 - Drill-grinding machines


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US Patent: 643,703

Drill-grinding machines

Patentee:

Henry P. White (exact or similar names) - Kalamazoo, MI

USPTO Classifications:

451/375

Tool Categories:

metalworking machines : grinders : sharpening machines : drill sharpening machines

metalworking machines : grinders : drill grinders

Assignees:

Charles D. Fuller - Kalamazoo, MI

Manufacturer:

Wilmarth & Morman Co. - Grand Rapids, MI

Witnesses:

Alice E. Houghton

Otis A. Earl

Patent Dates:
Applied:	Nov. 11, 1899
Granted:	Feb. 20, 1900

Patent Pictures:

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Vintage Machinery entry for Wilmarth & Morman Co.

Description:

This patent date was seen on a drill grinder from Wilmarth & Morman Co. This patent formed the basis of numerous Wilmarth & Morman drill grinder designs, including those of patents 684,890, 697,584, 702,885.nd 743,033.