Daniel P. Hoyer

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Pasay, PH

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Patents Grantslast 30 patents

Information Patent Grant
Glass fiber reinforced cement liners for pipelines and casings
- Patent number 5,649,568
- Issue date Jul 22, 1997
- Union Oil Company of California
- William C. Allen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES