US Patent: 3,291,469
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Chill Box
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Patentee:
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Marshall W. Stevens (exact or similar names) - Long Hill, CT |
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Patent Dates:
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Applied: |
Sep. 30, 1963 |
Granted: |
Dec. 13, 1966 |
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Joel Havens Vintage Machinery entry for Bullard Machine Tool Co.
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Description: |
This invention relates to the art of casting metal, and particularly to an improved chill box for chilling test specimens of cast iron to determine visually the condition of the melt..." |
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