Richard A. Alliegro

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Holden, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Refractory ramming mix containing aluminum powder for metal melting...
- Patent number 4,222,782
- Issue date Sep 16, 1980
- Norton Company
- Richard A. Alliegro
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hot-pressing of shapes of non-uniform cross-sectional thickness
- Patent number 4,153,666
- Issue date May 8, 1979
- Norton Company
- Richard A. Alliegro
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Armor structure and method of producing ceramic armor
- Patent number 4,138,456
- Issue date Feb 6, 1979
- Norton Company
- Richard A. Alliegro
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon carbide diffusion furnace components
- Patent number 3,951,587
- Issue date Apr 20, 1976
- Norton Company
- Richard A. Alliegro
- C30 - CRYSTAL GROWTH