US Patent: 879,277
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| Grinding-machine
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Patentee:
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| Abraham B. Landis (exact or similar names) - Waynesboro, PA |
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Patent Dates:
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| Applied: |
Jul. 06, 1906 |
| Granted: |
Feb. 18, 1908 |
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Jeff Joslin Vintage Machinery entry for Landis Tool Co.
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Description: |
| Invention covers improvements to a "grinding machines especially adapted for grinding the interior surfaces of cylindrical parts held or supported in a vertical position..." |
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