TREA

Harley L. Schlotthauer

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  • Okeene, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plaster consistency reducer
    • Patent number 4,237,260
    • Issue date Dec 2, 1980
    • United States Gypsum Company
    • Robert G. Lange
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Plaster composition containing water-reducing agent
    • Patent number 4,184,887
    • Issue date Jan 22, 1980
    • United States Gypsum Company
    • Robert G. Lange
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES