Walter J. Symes, JR.

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Dundee, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Lead and cadmium free, low temperature fired X7R dielectric ceramic...
- Patent number 8,305,731
- Issue date Nov 6, 2012
- Ferro Corporation
- Walter J. Symes, Jr.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
COG dieletric composition for use with nickel electrodes
- Patent number 8,114,801
- Issue date Feb 14, 2012
- Ferro Corporation
- Walter J. Symes, Jr.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
COG dielectric composition for use with nickel electrodes
- Patent number 7,858,548
- Issue date Dec 28, 2010
- Ferro Corporation
- Walter J. Symes, Jr.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ultra low temperature fixed X7R and BX dielectric ceramic compositi...
- Patent number 7,521,390
- Issue date Apr 21, 2009
- Ferro Corporation
- Walter J. Symes, Jr.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
COG dielectric composition for use with copper electrodes
- Patent number 7,161,795
- Issue date Jan 9, 2007
- Ferro Corporation
- Mohammed H. Megherhi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COG Dieletric Composition For Use With Nickel Electrodes
- Publication number 20110090619
- Publication date Apr 21, 2011
- Ferro Corporation
- Walter J. Symes, JR.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Lead And Cadmium Free, Low Temperature Fired X7R Dielectric Ceramic...
- Publication number 20100220427
- Publication date Sep 2, 2010
- Ferro Corporation
- Walter J. Symes, JR.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES