US Patent: 2,601,811
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| Machine tool
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Patentees:
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| Robert E. Wiley (exact or similar names) - Rockford, IL |
| Walter S. Swanson (exact or similar names) - Rockford, IL |
| Fred R. Swanson (exact or similar names) - Rockford, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 06, 1949 |
| Granted: |
Jul. 01, 1952 |
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Jeff Joslin
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