US Patent: 2,201,827
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| Ratchet Mechanism
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Patentees:
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| Otto P. Froeschl (exact or similar names) - Kansas City, Jackson County, MO |
| Paul A. Froeschl (exact or similar names) - Kansas City, Jackson County, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1939 |
| Granted: |
May 21, 1940 |
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Patent Pictures:
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Otto P. Froeschl & Paul A. Froeschl patent May 21, 1940 |
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Stan Schulz
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