William C. Harrigan

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Northridge, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for high yield rate of metal matrix composite...
- Patent number 7,625,520
- Issue date Dec 1, 2009
- DWA Technologies, Inc.
- Jack Y. Peng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Three-phase nanocomposite
- Patent number 7,288,133
- Issue date Oct 30, 2007
- DWA Technologies, Inc.
- Jack Y. Peng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ceramic-metal matrix composites for magnetic disk substrates for ha...
- Patent number 5,948,495
- Issue date Sep 7, 1999
- Alyn Corporation
- Raymond L. Stanish
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal-clad ceramic-metal matrix composites for magnetic disk substr...
- Patent number 5,895,696
- Issue date Apr 20, 1999
- Alyn Corporation
- Raymond L. Stanish
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for producing powder metallurgy metal billets
- Publication number 20090208359
- Publication date Aug 20, 2009
- DWA TECHNOLOGIES, INC.
- William C. Harrigan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Manufacturing method for high yield rate of metal matrix composite...
- Publication number 20050106056
- Publication date May 19, 2005
- DWA TECHNOLOGIES, INC.
- Jack Y. Peng
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...