Robert P. Jarrett

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St. John, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of cement by intergrinding carbonaceous fuel
- Patent number 4,238,237
- Issue date Dec 9, 1980
- United States Steel Corporation
- Robert P. Jarrett
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES