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US Patent: 422,874
Tool Grinder
Patentee:
Linn Boyd Benton (exact or similar names) - Milwaukee, Milwaukee County, WI

USPTO Classifications:
125/11.06, 409/900.2, 451/162, 451/173, 451/380, 451/435

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 17, 1888
Granted: Mar. 04, 1890

Patent Pictures:
USPTO (New site tip)
Google Patents
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