US Patent: 678,662
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| Attachment for Lathes
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Patentees:
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| Charles Harzmeier (exact or similar names) - St. Louis, MO |
| Louis Bisch (exact or similar names) - Jefferson Barracks, St. Louis County, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 22, 1901 |
| Granted: |
Jul. 16, 1901 |
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Joel Havens
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