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Shell forming system
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Patent number 4,960,351
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Issue date Oct 2, 1990
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California Institute of Technology
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James M. Kendall
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Catalytic hollow spheres
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Patent number 4,820,503
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Issue date Apr 11, 1989
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California Institute of Technology
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Taylor G. Wang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalytic, hollow, refractory spheres
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Patent number 4,701,436
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Issue date Oct 20, 1987
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California Institute of Technology
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Taylor G. Wang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Shell forming system
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Patent number 4,643,854
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Issue date Feb 17, 1987
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California Institute of Technology
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James M. Kendall
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Catalytic hollow spheres
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Patent number 4,576,926
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Issue date Mar 18, 1986
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California Institute of Technology
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Taylor G. Wang
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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