TREA

David H. Caldwell

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  • Marblehead, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple lamp bulb package
    • Patent number D300906
    • Issue date May 2, 1989
    • GTE Products Corporation
    • David H. Caldwell
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Dual lamp bulb package
    • Patent number D283309
    • Issue date Apr 8, 1986
    • GTE Products Corporation
    • David H. Caldwell
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Lamp bulb packaging container
    • Patent number D279655
    • Issue date Jul 16, 1985
    • GTE Products Corporation
    • David H. Caldwell
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Lamp package
    • Patent number 4,441,650
    • Issue date Apr 10, 1984
    • GTE Products Corporation
    • David H. Caldwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL