Irby H. Leach

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Napa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of molding aqueous settable slurries containing shredded ope...
- Patent number 4,100,242
- Issue date Jul 11, 1978
- Irby H. Leach
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES