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US Patent: 41,646
Improved apparatus for grinding cutter-bits for rifling-machines
Patentee:
Dwight Slate - Hartford, CT

USPTO Classifications:
451/364, 451/555, 451/558

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Francis Fellowes, Jr.
Francis Fellowes

Patent Dates:
Granted: Feb. 16, 1864

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Dwight Slate Machine Co.

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