US Patent: 757,097
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| Grinding-Mill
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Patentees:
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| William C. Deards (exact or similar names) - Springfield, Clark County, OH |
| Dow L. Adelsperger (exact or similar names) - Springfield, Clark County, OH |
| William E. Copenhaver (exact or similar names) - Springfield, Clark County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 06, 1901 |
| Granted: |
Apr. 12, 1904 |
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Joel Havens "Vintage Machinery" entry for Foos Manufacturing Co.
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