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Foam deposition apparatus
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Patent number 4,094,622
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Issue date Jun 13, 1978
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The Dow Chemical Company
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Hubert Stacy Smith
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3797981
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Patent number 3,797,981
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Issue date Mar 19, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3733382
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Patent number 3,733,382
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Issue date May 15, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3383257
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Patent number 3,383,257
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Issue date May 14, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL