US Patent: 1,203,844
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| Grinding Machine
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Patentees:
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| Clement Booth (exact or similar names) - Narberth, Montgomery County, PA |
| Alfred Charles Page (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 17, 1915 |
| Granted: |
Nov. 07, 1916 |
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Joel Havens
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