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Horst J. Feist
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6969 Hardheim, DE
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last 30 patents
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Patent Grant
Method of tempering carboniferous blanks in an autoclave
Patent number
5,096,635
Issue date
Mar 17, 1992
Feist Intertec AG
Horst J. Feist
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Process for converting carbon blanks into graphite electrodes
Patent number
4,942,002
Issue date
Jul 17, 1990
Horst J. Feist
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Process to impregnate the carbon consisting objects
Patent number
4,454,177
Issue date
Jun 12, 1984
Horst J. Feist
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR