Richard B. Rolfe

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Glendale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Crystalline calcium sulfate dihydrate and process for making same
- Patent number 4,183,908
- Issue date Jan 15, 1980
- Southern California Edison Company
- Richard B. Rolfe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES