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Sleeve and covering for tubing
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Patent number 4,402,777
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Issue date Sep 6, 1983
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Radiation Dynamics, Inc.
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Rodney L. Derbyshire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Closure method
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Patent number 4,287,011
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Issue date Sep 1, 1981
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Radiation Dynamics, Inc.
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Rodney L. Derbyshire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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