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Donald R. Pipkens

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  • St. Charles County, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interchangeable modular furniture system
    • Patent number 5,176,435
    • Issue date Jan 5, 1993
    • Interchangeable Design Systems, Inc.
    • Donald R. Pipkens
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...