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David W. Dewis

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low thermal expansion seal ring support
    • Patent number 6,142,731
    • Issue date Nov 7, 2000
    • Caterpillar Inc.
    • David W. Dewis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES