Charlotte, NC, US
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Patent Grant
Celgard Inc.
Robert W. Callahan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Celgard Inc.
Robert W. Callahan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Celgard Inc.
Robert W. Callahan
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Hoechst Celanese Corporation
Robert W. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Hoechst Celanese Corporation
Robert W. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Hoechst Celanese Corporation
Robert W. Callahan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Celanese Corporation
Edward L. Cussler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
