Stewart Folk & Company, Incorporated

Organization

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Mining of sulphur with foam barrier

    • Patent number 4,413,859
    • Issue date Nov 8, 1983
    • Stewart Folk & Company, Incorporated
    • Stewart H. Folk
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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