US Patent: 2,464,381
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| Coupling
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Patentees:
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| Eames Donaldson (exact or similar names) - Buffalo, Erie County, NY |
| Walter J. Johnson (exact or similar names) - Buffalo, Erie County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 12, 1947 |
| Granted: |
Mar. 15, 1949 |
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Stan Schulz
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