Donald W. Roy

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Golden, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing transparent polycrystalline body with high ult...
- Patent number 5,244,849
- Issue date Sep 14, 1993
- Coors Porcelain Company
- Donald W. Roy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Metallized spinel with high transmittance and process for producing
- Patent number 5,082,739
- Issue date Jan 21, 1992
- Coors Porcelain Company
- Donald W. Roy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Transparent polycrystalline body with high ultraviolet transmittance
- Patent number 5,001,093
- Issue date Mar 19, 1991
- Coors Porcelain Company
- Donald W. Roy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Application of transparent polycrystalline body with high ultraviol...
- Patent number 4,983,555
- Issue date Jan 8, 1991
- Coors Porcelain Company
- Donald W. Roy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Dome and window for missiles and launch tubes with high ultraviolet...
- Patent number 4,930,731
- Issue date Jun 5, 1990
- Coors Porcelain Company
- Donald W. Roy
- F42 - AMMUNITION BLASTING
Information Patent Grant
Method for manufacturing a transparent ceramic body
- Patent number 3,974,249
- Issue date Aug 10, 1976
- Coors Porcelain Company
- Donald W. Roy
- C30 - CRYSTAL GROWTH