US Patent: 622,212
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Twist-drill grinder
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Patentee:
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Rufus Dutton (exact or similar names) - Sing Sing, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Dec. 31, 1897 |
Granted: |
Apr. 04, 1899 |
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Jeff Joslin
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Description: |
The inventor was deceased and Mary C. Dutton was his "executrix".This drill grinder uses the face and not the sides of the grinding wheel. |
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