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Robert A. Penty
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Cape Elizabeth, ME, US
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last 30 patents
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Patent Grant
Method of machining cast iron
Patent number
4,497,228
Issue date
Feb 5, 1985
GTE Laboratories Incorporated
Vinod K. Sarin
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Composite ceramic heat exchange tube
Patent number
4,437,217
Issue date
Mar 20, 1984
Hague International
Paul G. Lallaye
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Abrasion resistant silicon nitride based articles
Patent number
4,433,979
Issue date
Feb 28, 1984
GTE Laboratories Incorporated
Vinod K. Sarin
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Composite ceramic heat exchange tube
Patent number
4,332,295
Issue date
Jun 1, 1982
Hague International
Paul G. LaHaye
F28 - HEAT EXCHANGE IN GENERAL