US Patent: 1,433,861
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Tool Quenching Tank and the Like
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Patentees:
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Frank J. Vlchek (exact or similar names) - Cleveland, OH |
Antonin Placek (exact or similar names) - Cleveland, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 16, 1920 |
Granted: |
Oct. 31, 1922 |
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Joel Havens
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Description: |
G. Ehlunstan - patent attorney
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