TREA

Donald J. Westgaard

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  • Bloomingdale, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recessed track lighting system
    • Patent number 4,887,196
    • Issue date Dec 12, 1989
    • Alkco Manufacturing Company
    • Tobias A. Brown
    • F21 - LIGHTING
  • Information Patent Grant

    Lamp
    • Patent number 4,616,296
    • Issue date Oct 7, 1986
    • Alkco Manufacturing Company
    • Donald J. Westgaard
    • F21 - LIGHTING