Irving B. Ruppel

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Kenmore, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of coating a substrate with a SiC.sub.x film
- Patent number 5,944,963
- Issue date Aug 31, 1999
- The Carborundum Company
- Irving B. Ruppel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ceramic substrates and magnetic data storage components prepared th...
- Patent number 5,741,403
- Issue date Apr 21, 1998
- The Carborundum Company
- Michael A. Tenhover
- G11 - INFORMATION STORAGE
Information Patent Grant
Ceramic substrate with silicon carbide smoothing layer
- Patent number 5,616,426
- Issue date Apr 1, 1997
- The Carborundum Company
- Michael A. Tenhover
- G11 - INFORMATION STORAGE
Information Patent Grant
Porous silicon carbide
- Patent number 5,441,799
- Issue date Aug 15, 1995
- The Carborundum Company
- Dean P. Owens
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for manufacturing ceramic tubes
- Patent number 5,227,105
- Issue date Jul 13, 1993
- The Carborundum Company
- James L. Eucker
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for making ceramic tubes
- Patent number 5,057,001
- Issue date Oct 15, 1991
- The Carborundum Company
- James L. Eucker
- B28 - WORKING CEMENT, CLAY, OR STONE