William R. Manning

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Richmond, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Alumina-zirconia ceramic
- Patent number 5,183,610
- Issue date Feb 2, 1993
- Cooper Indusries, Inc.
- Terrence K. Brog
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alumina-zirconia ceramic
- Patent number 5,147,833
- Issue date Sep 15, 1992
- Champion Spark Plug Company
- William R. Manning
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alumina-zirconia ceramic
- Patent number 4,879,260
- Issue date Nov 7, 1989
- Champion Spark Plug
- William R. Manning
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alumina ceramic comprising a siliceous binder and at least one of z...
- Patent number 4,552,852
- Issue date Nov 12, 1985
- Champion Spark Plug Company
- William R. Manning
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Dense and impervious stabilized hafnium oxide ceramic
- Patent number 4,128,433
- Issue date Dec 5, 1978
- Champion Spark Plug Company
- William R. Manning
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES