US Patent: 626,451
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Saw Grinding Machine
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Patentees:
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Charles A. Alden (exact or similar names) - Steelton, Dauphin County, PA |
Mason D. Pratt (exact or similar names) - Steelton, Dauphin County, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 15, 1899 |
Granted: |
Jun. 06, 1899 |
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Joel Havens
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