TREA

Robert Rothenberger

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical heating cap
    • Patent number 4,512,830
    • Issue date Apr 23, 1985
    • John G. Hulett
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Electrical heating cap
    • Patent number 4,459,471
    • Issue date Jul 10, 1984
    • John G. Hulett
    • A45 - HAND OR TRAVELLING ARTICLES