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US Patent: 105,392
Grinding Apparatus
Patentee:
William L. Washburn - New York, NY

USPTO Classifications:
29/DIG.69, 451/406

Tool Categories:
metalworking machines : grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John T. Pope
G. M. Thompson
L. Hailer
Phil. T. Dodge

Patent Dates:
Granted: Jul. 12, 1870

Patent Pictures:
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Description:
Dodge & Munn - patent attorneys

My invention relates to a grinding apparatus, intended to be used in connection with sewing machines. The invention consists in making the rest adjustable, and in an attachment for applying moisture to the stone and keeping the latter clean.

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