David R. Clarke

Person

Katonah, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for fabricating a low dielectric composite substrate
- Patent number 5,277,725
- Issue date Jan 11, 1994
- International Business Machines Corporation
- John Acocella
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Zirconia toughening of glass-ceramic materials
- Patent number 5,185,215
- Issue date Feb 9, 1993
- International Business Machines Corporation
- Richard W. Adams
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Zirconia toughening of glass-ceramic materials
- Patent number 5,173,331
- Issue date Dec 22, 1992
- International Business Machines Corporation
- Richard W. Adams
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low dielectric composite substrate
- Patent number 5,139,851
- Issue date Aug 18, 1992
- International Business Machines Corporation
- John Acocella
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for fabricating a low dielectric composite substrate
- Patent number 5,135,595
- Issue date Aug 4, 1992
- International Business Machines Corporation
- John Acocella
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Zirconia toughening of glass-ceramic materials
- Patent number 5,045,402
- Issue date Sep 3, 1991
- International Business Machines Corporation
- Richard W. Adams
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

David R. Clarke

Person

Patents Grantslast 30 patents

Process for fabricating a low dielectric composite substrate

Zirconia toughening of glass-ceramic materials

Zirconia toughening of glass-ceramic materials

Low dielectric composite substrate

Process for fabricating a low dielectric composite substrate

Zirconia toughening of glass-ceramic materials