US Patent: 105,392
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| Grinding Apparatus
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Patentee:
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| William L. Washburn (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 12, 1870 |
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Joel Havens
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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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