Robert J. Lavigna

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Bath, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Technique for increasing oxygen incorporation during silicon Czochr...
- Patent number H520
- Issue date Sep 6, 1988
- David L. Johnson
- 156 - Adhesive bonding and miscellaneous chemical manufacture
Information Patent Grant
Growing crystals from a melt by controlling additions of material t...
- Patent number 4,249,988
- Issue date Feb 10, 1981
- Western Electric Company, Inc.
- Robert J. Lavigna
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for avoiding undesirable deposits in crystal growing operations
- Patent number 4,238,274
- Issue date Dec 9, 1980
- Western Electric Company, Inc.
- Tze Y. Chu
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method and apparatus for avoiding undesirable deposits in crystal g...
- Patent number 4,141,779
- Issue date Feb 27, 1979
- Western Electric Company, Inc.
- David W. Hill
- C30 - CRYSTAL GROWTH
Information Patent Grant
Real-time analysis and control of melt-chemistry in crystal growing...
- Patent number 4,134,785
- Issue date Jan 16, 1979
- Western Electric Company, Inc.
- Robert J. Lavigna
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method and apparatus for avoiding undesirable deposits in crystal g...
- Patent number 4,116,642
- Issue date Sep 26, 1978
- Western Electric Company, Inc.
- Tze Yao Chu
- C30 - CRYSTAL GROWTH